1 2821 328 YOGA TREATMENT FOR CHRONIC NON-SPECIFIC LOW BACK PAIN. BACKGROUND: NON-SPECIFIC LOW BACK PAIN IS A COMMON, POTENTIALLY DISABLING CONDITION USUALLY TREATED WITH SELF-CARE AND NON-PRESCRIPTION MEDICATION. FOR CHRONIC LOW BACK PAIN, CURRENT GUIDELINES STATE THAT EXERCISE THERAPY MAY BE BENEFICIAL. YOGA IS A MIND-BODY EXERCISE SOMETIMES USED FOR NON-SPECIFIC LOW BACK PAIN. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA FOR TREATING CHRONIC NON-SPECIFIC LOW BACK PAIN, COMPARED TO NO SPECIFIC TREATMENT, A MINIMAL INTERVENTION (E.G. EDUCATION), OR ANOTHER ACTIVE TREATMENT, WITH A FOCUS ON PAIN, FUNCTION, AND ADVERSE EVENTS. SEARCH METHODS: WE SEARCHED CENTRAL, MEDLINE, EMBASE, FIVE OTHER DATABASES AND FOUR TRIALS REGISTERS TO 11 MARCH 2016 WITHOUT RESTRICTION OF LANGUAGE OR PUBLICATION STATUS. WE SCREENED REFERENCE LISTS AND CONTACTED EXPERTS IN THE FIELD TO IDENTIFY ADDITIONAL STUDIES. SELECTION CRITERIA: WE INCLUDED RANDOMIZED CONTROLLED TRIALS OF YOGA TREATMENT IN PEOPLE WITH CHRONIC NON-SPECIFIC LOW BACK PAIN. WE INCLUDED STUDIES COMPARING YOGA TO ANY OTHER INTERVENTION OR TO NO INTERVENTION. WE ALSO INCLUDED STUDIES COMPARING YOGA AS AN ADJUNCT TO OTHER THERAPIES, VERSUS THOSE OTHER THERAPIES ALONE. DATA COLLECTION AND ANALYSIS: TWO AUTHORS INDEPENDENTLY SCREENED AND SELECTED STUDIES, EXTRACTED OUTCOME DATA, AND ASSESSED RISK OF BIAS. WE CONTACTED STUDY AUTHORS TO OBTAIN MISSING OR UNCLEAR INFORMATION. WE EVALUATED THE OVERALL CERTAINTY OF EVIDENCE USING THE GRADE APPROACH. MAIN RESULTS: WE INCLUDED 12 TRIALS (1080 PARTICIPANTS) CARRIED OUT IN THE USA (SEVEN TRIALS), INDIA (THREE TRIALS), AND THE UK (TWO TRIALS). STUDIES WERE UNFUNDED (ONE TRIAL), FUNDED BY A YOGA INSTITUTION (ONE TRIAL), FUNDED BY NON-PROFIT OR GOVERNMENT SOURCES (SEVEN TRIALS), OR DID NOT REPORT ON FUNDING (THREE TRIALS). MOST TRIALS USED IYENGAR, HATHA, OR VINIYOGA FORMS OF YOGA. THE TRIALS COMPARED YOGA TO NO INTERVENTION OR A NON-EXERCISE INTERVENTION SUCH AS EDUCATION (SEVEN TRIALS), AN EXERCISE INTERVENTION (THREE TRIALS), OR BOTH EXERCISE AND NON-EXERCISE INTERVENTIONS (TWO TRIALS). ALL TRIALS WERE AT HIGH RISK OF PERFORMANCE AND DETECTION BIAS BECAUSE PARTICIPANTS AND PROVIDERS WERE NOT BLINDED TO TREATMENT ASSIGNMENT, AND OUTCOMES WERE SELF-ASSESSED. THEREFORE, WE DOWNGRADED ALL OUTCOMES TO 'MODERATE' CERTAINTY EVIDENCE BECAUSE OF RISK OF BIAS, AND WHEN THERE WAS ADDITIONAL SERIOUS RISK OF BIAS, UNEXPLAINED HETEROGENEITY BETWEEN STUDIES, OR THE ANALYSES WERE IMPRECISE, WE DOWNGRADED THE CERTAINTY OF THE EVIDENCE FURTHER.FOR YOGA COMPARED TO NON-EXERCISE CONTROLS (9 TRIALS; 810 PARTICIPANTS), THERE WAS LOW-CERTAINTY EVIDENCE THAT YOGA PRODUCED SMALL TO MODERATE IMPROVEMENTS IN BACK-RELATED FUNCTION AT THREE TO FOUR MONTHS (STANDARDIZED MEAN DIFFERENCE (SMD) -0.40, 95% CONFIDENCE INTERVAL (CI) -0.66 TO -0.14; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MEAN DIFFERENCE (MD) -2.18, 95% -3.60 TO -0.76), MODERATE-CERTAINTY EVIDENCE FOR SMALL TO MODERATE IMPROVEMENTS AT SIX MONTHS (SMD -0.44, 95% CI -0.66 TO -0.22; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD -2.15, 95% -3.23 TO -1.08), AND LOW-CERTAINTY EVIDENCE FOR SMALL IMPROVEMENTS AT 12 MONTHS (SMD -0.26, 95% CI -0.46 TO -0.05; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD -1.36, 95% -2.41 TO -0.26). ON A 0-100 SCALE THERE WAS VERY LOW- TO MODERATE-CERTAINTY EVIDENCE THAT YOGA WAS SLIGHTLY BETTER FOR PAIN AT THREE TO FOUR MONTHS (MD -4.55, 95% CI -7.04 TO -2.06), SIX MONTHS (MD -7.81, 95% CI -13.37 TO -2.25), AND 12 MONTHS (MD -5.40, 95% CI -14.50 TO -3.70), HOWEVER WE PRE-DEFINED CLINICALLY SIGNIFICANT CHANGES IN PAIN AS 15 POINTS OR GREATER AND THIS THRESHOLD WAS NOT MET. BASED ON INFORMATION FROM SIX TRIALS, THERE WAS MODERATE-CERTAINTY EVIDENCE THAT THE RISK OF ADVERSE EVENTS, PRIMARILY INCREASED BACK PAIN, WAS HIGHER IN YOGA THAN IN NON-EXERCISE CONTROLS (RISK DIFFERENCE (RD) 5%, 95% CI 2% TO 8%).FOR YOGA COMPARED TO NON-YOGA EXERCISE CONTROLS (4 TRIALS; 394 PARTICIPANTS), THERE WAS VERY-LOW-CERTAINTY EVIDENCE FOR LITTLE OR NO DIFFERENCE IN BACK-RELATED FUNCTION AT THREE MONTHS (SMD -0.22, 95% CI -0.65 TO 0.20; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD -0.99, 95% -2.87 TO 0.90) AND SIX MONTHS (SMD -0.20, 95% CI -0.59 TO 0.19; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD -0.90, 95% -2.61 TO 0.81), AND NO INFORMATION ON BACK-RELATED FUNCTION AFTER SIX MONTHS. THERE WAS VERY LOW-CERTAINTY EVIDENCE FOR LOWER PAIN ON A 0-100 SCALE AT SEVEN MONTHS (MD -20.40, 95% CI -25.48 TO -15.32), AND NO INFORMATION ON PAIN AT THREE MONTHS OR AFTER SEVEN MONTHS. BASED ON INFORMATION FROM THREE TRIALS, THERE WAS LOW-CERTAINTY EVIDENCE FOR NO DIFFERENCE IN THE RISK OF ADVERSE EVENTS BETWEEN YOGA AND NON-YOGA EXERCISE CONTROLS (RD 1%, 95% CI -4% TO 6%).FOR YOGA ADDED TO EXERCISE COMPARED TO EXERCISE ALONE (1 TRIAL; 24 PARTICIPANTS), THERE WAS VERY-LOW-CERTAINTY EVIDENCE FOR LITTLE OR NO DIFFERENCE AT 10 WEEKS IN BACK-RELATED FUNCTION (SMD -0.60, 95% CI -1.42 TO 0.22; CORRESPONDING TO A CHANGE IN THE OSWESTRY DISABILITY INDEX OF MD -17.05, 95% -22.96 TO 11.14) OR PAIN ON A 0-100 SCALE (MD -3.20, 95% CI -13.76 TO 7.36). THERE WAS NO INFORMATION ON OUTCOMES AT OTHER TIME POINTS. THERE WAS NO INFORMATION ON ADVERSE EVENTS.STUDIES PROVIDED LIMITED EVIDENCE ON RISK OF CLINICAL IMPROVEMENT, MEASURES OF QUALITY OF LIFE, AND DEPRESSION. THERE WAS NO EVIDENCE ON WORK-RELATED DISABILITY. AUTHORS' CONCLUSIONS: THERE IS LOW- TO MODERATE-CERTAINTY EVIDENCE THAT YOGA COMPARED TO NON-EXERCISE CONTROLS RESULTS IN SMALL TO MODERATE IMPROVEMENTS IN BACK-RELATED FUNCTION AT THREE AND SIX MONTHS. YOGA MAY ALSO BE SLIGHTLY MORE EFFECTIVE FOR PAIN AT THREE AND SIX MONTHS, HOWEVER THE EFFECT SIZE DID NOT MEET PREDEFINED LEVELS OF MINIMUM CLINICAL IMPORTANCE. IT IS UNCERTAIN WHETHER THERE IS ANY DIFFERENCE BETWEEN YOGA AND OTHER EXERCISE FOR BACK-RELATED FUNCTION OR PAIN, OR WHETHER YOGA ADDED TO EXERCISE IS MORE EFFECTIVE THAN EXERCISE ALONE. YOGA IS ASSOCIATED WITH MORE ADVERSE EVENTS THAN NON-EXERCISE CONTROLS, BUT MAY HAVE THE SAME RISK OF ADVERSE EVENTS AS OTHER BACK-FOCUSED EXERCISE. YOGA IS NOT ASSOCIATED WITH SERIOUS ADVERSE EVENTS. THERE IS A NEED FOR ADDITIONAL HIGH-QUALITY RESEARCH TO IMPROVE CONFIDENCE IN ESTIMATES OF EFFECT, TO EVALUATE LONG-TERM OUTCOMES, AND TO PROVIDE ADDITIONAL INFORMATION ON COMPARISONS BETWEEN YOGA AND OTHER EXERCISE FOR CHRONIC NON-SPECIFIC LOW BACK PAIN. 2017 2 2820 295 YOGA TREATMENT FOR CHRONIC NON-SPECIFIC LOW BACK PAIN (2017). WIELAND LS, SKOETZ N, PILKINGTON K, VEMPATI R, DADAMO CR, BERMAN BM. YOGA TREATMENT FOR CHRONIC NON-SPECIFIC LOW BACK PAIN.COCHRANE DATABASE SYST REV2017, ISSUE 1. ART. NO.: CD010671. DOI: 10.1002/14651858.CD010671.PUB2. BACKGROUND: NON-SPECIFIC LOW BACK PAIN IS A COMMON, POTENTIALLY DISABLING CONDITION USUALLY TREATED WITH SELF-CARE AND NON-PRESCRIPTION MEDICATION. FOR CHRONIC LOW BACK PAIN, CURRENT GUIDELINES STATE THAT EXERCISE THERAPY MAY BE BENEFICIAL. YOGA IS A MIND-BODY EXERCISE SOMETIMES USED FOR NON-SPECIFIC LOW BACK PAIN. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA FOR TREATING CHRONIC NON-SPECIFIC LOW BACK PAIN, COMPARED TO NO SPECIFIC TREATMENT, A MINIMAL INTERVENTION (E.G., EDUCATION), OR ANOTHER ACTIVE TREATMENT, WITH A FOCUS ON PAIN, FUNCTION, AND ADVERSE EVENTS. SEARCH METHODS: WE SEARCHED CENTRAL, MEDLINE, EMBASE, FIVE OTHER DATABASES, AND FOUR TRIALS REGISTERS TO 11 MARCH 2016 WITHOUT RESTRICTION OF LANGUAGE OR PUBLICATION STATUS. WE SCREENED REFERENCE LISTS AND CONTACTED EXPERTS IN THE FIELD TO IDENTIFY ADDITIONAL STUDIES. SELECTION CRITERIA: WE INCLUDED RANDOMIZED CONTROLLED TRIALS OF YOGA TREATMENT IN PEOPLE WITH CHRONIC NON-SPECIFIC LOW BACK PAIN. WE INCLUDED STUDIES COMPARING YOGA TO ANY OTHER INTERVENTION OR TO NO INTERVENTION. WE ALSO INCLUDED STUDIES COMPARING YOGA AS AN ADJUNCT TO OTHER THERAPIES, VERSUS THOSE OTHER THERAPIES ALONE. DATA COLLECTION AND ANALYSIS: TWO AUTHORS INDEPENDENTLY SCREENED AND SELECTED STUDIES, EXTRACTED OUTCOME DATA, AND ASSESSED RISK OF BIAS. WE CONTACTED STUDY AUTHORS TO OBTAIN MISSING OR UNCLEAR INFORMATION. WE EVALUATED THE OVERALL CERTAINTY OF EVIDENCE USING THE GRADE APPROACH. MAIN RESULTS: WE INCLUDED 12 TRIALS (1080 PARTICIPANTS) CARRIED OUT IN THE USA (SEVEN TRIALS), INDIA (THREE TRIALS), AND THE UK (TWO TRIALS). STUDIES WERE UNFUNDED (ONE TRIAL), FUNDED BY A YOGA INSTITUTION (ONE TRIAL), FUNDED BY NON-PROFIT OR GOVERNMENT SOURCES (SEVEN TRIALS), OR DID NOT REPORT ON FUNDING (THREE TRIALS). MOST TRIALS USED IYENGAR, HATHA, OR VINIYOGA FORMS OF YOGA. THE TRIALS COMPARED YOGA TO NO INTERVENTION OR A NON-EXERCISE INTERVENTION SUCH AS EDUCATION (SEVEN TRIALS), AN EXERCISE INTERVENTION (THREE TRIALS), OR BOTH EXERCISE AND NON-EXERCISE INTERVENTIONS (TWO TRIALS). ALL TRIALS WERE AT HIGH RISK OF PERFORMANCE AND DETECTION BIAS BECAUSE PARTICIPANTS AND PROVIDERS WERE NOT BLINDED TO TREATMENT ASSIGNMENT, AND OUTCOMES WERE SELF-ASSESSED. THEREFORE, WE DOWNGRADED ALL OUTCOMES TO "MODERATE" CERTAINTY EVIDENCE BECAUSE OF RISK OF BIAS, AND WHEN THERE WAS ADDITIONAL SERIOUS RISK OF BIAS, UNEXPLAINED HETEROGENEITY BETWEEN STUDIES, OR THE ANALYSES WERE IMPRECISE, WE DOWNGRADED THE CERTAINTY OF THE EVIDENCE FURTHER. FOR YOGA COMPARED TO NON-EXERCISE CONTROLS (9 TRIALS; 810 PARTICIPANTS), THERE WAS LOW-CERTAINTY EVIDENCE THAT YOGA PRODUCED SMALL TO MODERATE IMPROVEMENTS IN BACK-RELATED FUNCTION AT THREE TO FOUR MONTHS [STANDARDIZED MEAN DIFFERENCE (SMD) = -0.40, 95% CI: -0.66 TO -0.14; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MEAN DIFFERENCE (MD) = -2.18, 95% CI: -3.60 TO -0.76], MODERATE-CERTAINTY EVIDENCE FOR SMALL TO MODERATE IMPROVEMENTS AT SIX MONTHS (SMD = -0.44, 95% CI: -0.66 TO -0.22; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD = -2.15, 95% CI: -3.23 TO -1.08), AND LOW-CERTAINTY EVIDENCE FOR SMALL IMPROVEMENTS AT 12 MONTHS (SMD = -0.26, 95% CI: -0.46 TO -0.05; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD = -1.36, 95% CI: -2.41 TO -0.26). ON A 0-100 SCALE THERE WAS VERY LOW- TO MODERATE-CERTAINTY EVIDENCE THAT YOGA WAS SLIGHTLY BETTER FOR PAIN AT THREE TO FOUR MONTHS (MD = -4.55, 95% CI: -7.04 TO -2.06), SIX MONTHS (MD = -7.81, 95% CI: -13.37 TO -2.25), AND 12 MONTHS (MD = -5.40, 95% CI: -14.50 TO -3.70); HOWEVER, WE PRE-DEFINED CLINICALLY SIGNIFICANT CHANGES IN PAIN AS 15 POINTS OR GREATER AND THIS THRESHOLD WAS NOT MET. BASED ON INFORMATION FROM SIX TRIALS, THERE WAS MODERATE-CERTAINTY EVIDENCE THAT THE RISK OF ADVERSE EVENTS, PRIMARILY INCREASED BACK PAIN, WAS HIGHER IN YOGA THAN IN NON-EXERCISE CONTROLS [RISK DIFFERENCE (RD) = 5%, 95% CI: 2-8%]. FOR YOGA COMPARED TO NON-YOGA EXERCISE CONTROLS (4 TRIALS; 394 PARTICIPANTS), THERE WAS VERY-LOW-CERTAINTY EVIDENCE FOR LITTLE OR NO DIFFERENCE IN BACK-RELATED FUNCTION AT THREE MONTHS (SMD = -0.22, 95% CI: -0.65 TO 0.20; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD = -0.99, 95% CI: -2.87 TO 0.90) AND SIX MONTHS (SMD = -0.20, 95% CI: -0.59 TO 0.19; CORRESPONDING TO A CHANGE IN THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE OF MD = -0.90, 95% CI: -2.61 TO 0.81), AND NO INFORMATION ON BACK-RELATED FUNCTION AFTER SIX MONTHS. THERE WAS VERY LOW-CERTAINTY EVIDENCE FOR LOWER PAIN ON A 0-100 SCALE AT SEVEN MONTHS (MD = -20.40, 95% CI: -25.48 TO -15.32), AND NO INFORMATION ON PAIN AT THREE MONTHS OR AFTER SEVEN MONTHS. BASED ON INFORMATION FROM THREE TRIALS, THERE WAS LOW-CERTAINTY EVIDENCE FOR NO DIFFERENCE IN THE RISK OF ADVERSE EVENTS BETWEEN YOGA AND NON-YOGA EXERCISE CONTROLS (RD = 1%, 95% CI: -4% TO 6%). FOR YOGA ADDED TO EXERCISE COMPARED TO EXERCISE ALONE (1 TRIAL; 24 PARTICIPANTS), THERE WAS VERY-LOW-CERTAINTY EVIDENCE FOR LITTLE OR NO DIFFERENCE AT 10 WEEKS IN BACK-RELATED FUNCTION (SMD = -0.60, 95% CI: -1.42 TO 0.22; CORRESPONDING TO A CHANGE IN THE OSWESTRY DISABILITY INDEX OF MD = -17.05, 95% CI: -22.96 TO 11.14) OR PAIN ON A 0-100 SCALE (MD = -3.20, 95% CI: -13.76 TO 7.36). THERE WAS NO INFORMATION ON OUTCOMES AT OTHER TIME POINTS. THERE WAS NO INFORMATION ON ADVERSE EVENTS. STUDIES PROVIDED LIMITED EVIDENCE ON RISK OF CLINICAL IMPROVEMENT, MEASURES OF QUALITY OF LIFE, AND DEPRESSION. THERE WAS NO EVIDENCE ON WORK-RELATED DISABILITY. 2017 3 2543 146 YOGA FOR ASTHMA. BACKGROUND: ASTHMA IS A COMMON CHRONIC INFLAMMATORY DISORDER AFFECTING ABOUT 300 MILLION PEOPLE WORLDWIDE. AS A HOLISTIC THERAPY, YOGA HAS THE POTENTIAL TO RELIEVE BOTH THE PHYSICAL AND PSYCHOLOGICAL SUFFERING OF PEOPLE WITH ASTHMA, AND ITS POPULARITY HAS EXPANDED GLOBALLY. A NUMBER OF CLINICAL TRIALS HAVE BEEN CARRIED OUT TO EVALUATE THE EFFECTS OF YOGA PRACTICE, WITH INCONSISTENT RESULTS. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA IN PEOPLE WITH ASTHMA. SEARCH METHODS: WE SYSTEMATICALLY SEARCHED THE COCHRANE AIRWAYS GROUP REGISTER OF TRIALS, WHICH IS DERIVED FROM SYSTEMATIC SEARCHES OF BIBLIOGRAPHIC DATABASES INCLUDING THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL), MEDLINE, EMBASE, CINAHL, AMED, AND PSYCINFO, AND HANDSEARCHING OF RESPIRATORY JOURNALS AND MEETING ABSTRACTS. WE ALSO SEARCHED PEDRO. WE SEARCHED CLINICALTRIALS.GOV AND THE WHO ICTRP SEARCH PORTAL. WE SEARCHED ALL DATABASES FROM THEIR INCEPTION TO 22 JULY 2015, AND USED NO RESTRICTION ON LANGUAGE OF PUBLICATION. WE CHECKED THE REFERENCE LISTS OF ELIGIBLE STUDIES AND RELEVANT REVIEW ARTICLES FOR ADDITIONAL STUDIES. WE ATTEMPTED TO CONTACT INVESTIGATORS OF ELIGIBLE STUDIES AND EXPERTS IN THE FIELD TO LEARN OF OTHER PUBLISHED AND UNPUBLISHED STUDIES. SELECTION CRITERIA: WE INCLUDED RANDOMISED CONTROLLED TRIALS (RCTS) THAT COMPARED YOGA WITH USUAL CARE (OR NO INTERVENTION) OR SHAM INTERVENTION IN PEOPLE WITH ASTHMA AND REPORTED AT LEAST ONE OF THE FOLLOWING OUTCOMES: QUALITY OF LIFE, ASTHMA SYMPTOM SCORE, ASTHMA CONTROL, LUNG FUNCTION MEASURES, ASTHMA MEDICATION USAGE, AND ADVERSE EVENTS. DATA COLLECTION AND ANALYSIS: WE EXTRACTED BIBLIOGRAPHIC INFORMATION, CHARACTERISTICS OF PARTICIPANTS, CHARACTERISTICS OF INTERVENTIONS AND CONTROLS, CHARACTERISTICS OF METHODOLOGY, AND RESULTS FOR THE OUTCOMES OF OUR INTEREST FROM ELIGIBLE STUDIES. FOR CONTINUOUS OUTCOMES, WE USED MEAN DIFFERENCE (MD) WITH 95% CONFIDENCE INTERVAL (CI) TO DENOTE THE TREATMENT EFFECTS, IF THE OUTCOMES WERE MEASURED BY THE SAME SCALE ACROSS STUDIES. ALTERNATIVELY, IF THE OUTCOMES WERE MEASURED BY DIFFERENT SCALES ACROSS STUDIES, WE USED STANDARDISED MEAN DIFFERENCE (SMD) WITH 95% CI. FOR DICHOTOMOUS OUTCOMES, WE USED RISK RATIO (RR) WITH 95% CI TO MEASURE THE TREATMENT EFFECTS. WE PERFORMED META-ANALYSIS WITH REVIEW MANAGER 5.3. WE USED THE FIXED-EFFECT MODEL TO POOL THE DATA, UNLESS THERE WAS SUBSTANTIAL HETEROGENEITY AMONG STUDIES, IN WHICH CASE WE USED THE RANDOM-EFFECTS MODEL INSTEAD. FOR OUTCOMES INAPPROPRIATE OR IMPOSSIBLE TO POOL QUANTITATIVELY, WE CONDUCTED A DESCRIPTIVE ANALYSIS AND SUMMARISED THE FINDINGS NARRATIVELY. MAIN RESULTS: WE INCLUDED 15 RCTS WITH A TOTAL OF 1048 PARTICIPANTS. MOST OF THE TRIALS WERE CONDUCTED IN INDIA, FOLLOWED BY EUROPE AND THE UNITED STATES. THE MAJORITY OF PARTICIPANTS WERE ADULTS OF BOTH SEXES WITH MILD TO MODERATE ASTHMA FOR SIX MONTHS TO MORE THAN 23 YEARS. FIVE STUDIES INCLUDED YOGA BREATHING ALONE, WHILE THE OTHER STUDIES ASSESSED YOGA INTERVENTIONS THAT INCLUDED BREATHING, POSTURE, AND MEDITATION. INTERVENTIONS LASTED FROM TWO WEEKS TO 54 MONTHS, FOR NO MORE THAN SIX MONTHS IN THE MAJORITY OF STUDIES. THE RISK OF BIAS WAS LOW ACROSS ALL DOMAINS IN ONE STUDY AND UNCLEAR OR HIGH IN AT LEAST ONE DOMAIN FOR THE REMAINDER.THERE WAS SOME EVIDENCE THAT YOGA MAY IMPROVE QUALITY OF LIFE (MD IN ASTHMA QUALITY OF LIFE QUESTIONNAIRE (AQLQ) SCORE PER ITEM 0.57 UNITS ON A 7-POINT SCALE, 95% CI 0.37 TO 0.77; 5 STUDIES; 375 PARTICIPANTS), IMPROVE SYMPTOMS (SMD 0.37, 95% CI 0.09 TO 0.65; 3 STUDIES; 243 PARTICIPANTS), AND REDUCE MEDICATION USAGE (RR 5.35, 95% CI 1.29 TO 22.11; 2 STUDIES) IN PEOPLE WITH ASTHMA. THE MD FOR AQLQ SCORE EXCEEDED THE MINIMAL CLINICALLY IMPORTANT DIFFERENCE (MCID) OF 0.5, BUT WHETHER THE MEAN CHANGES EXCEEDED THE MCID FOR ASTHMA SYMPTOMS IS UNCERTAIN DUE TO THE LACK OF AN ESTABLISHED MCID IN THE SEVERITY SCORES USED IN THE INCLUDED STUDIES. THE EFFECTS OF YOGA ON CHANGE FROM BASELINE FORCED EXPIRATORY VOLUME IN ONE SECOND (MD 0.04 LITRES, 95% CI -0.10 TO 0.19; 7 STUDIES; 340 PARTICIPANTS; I(2) = 68%) WERE NOT STATISTICALLY SIGNIFICANT. TWO STUDIES INDICATED IMPROVED ASTHMA CONTROL, BUT DUE TO VERY SIGNIFICANT HETEROGENEITY (I(2) = 98%) WE DID NOT POOL DATA. NO SERIOUS ADVERSE EVENTS ASSOCIATED WITH YOGA WERE REPORTED, BUT THE DATA ON THIS OUTCOME WAS LIMITED. AUTHORS' CONCLUSIONS: WE FOUND MODERATE-QUALITY EVIDENCE THAT YOGA PROBABLY LEADS TO SMALL IMPROVEMENTS IN QUALITY OF LIFE AND SYMPTOMS IN PEOPLE WITH ASTHMA. THERE IS MORE UNCERTAINTY ABOUT POTENTIAL ADVERSE EFFECTS OF YOGA AND ITS IMPACT ON LUNG FUNCTION AND MEDICATION USAGE. RCTS WITH A LARGE SAMPLE SIZE AND HIGH METHODOLOGICAL AND REPORTING QUALITY ARE NEEDED TO CONFIRM THE EFFECTS OF YOGA FOR ASTHMA. 2016 4 2636 125 YOGA FOR TREATING URINARY INCONTINENCE IN WOMEN. BACKGROUND: URINARY INCONTINENCE IN WOMEN IS ASSOCIATED WITH POOR QUALITY OF LIFE AND DIFFICULTIES IN SOCIAL, PSYCHOLOGICAL AND SEXUAL FUNCTIONING. THE CONDITION MAY AFFECT UP TO 15% OF MIDDLE-AGED OR OLDER WOMEN IN THE GENERAL POPULATION. CONSERVATIVE TREATMENTS SUCH AS LIFESTYLE INTERVENTIONS, BLADDER TRAINING AND PELVIC FLOOR MUSCLE TRAINING (USED EITHER ALONE OR IN COMBINATION WITH OTHER INTERVENTIONS) ARE THE INITIAL APPROACHES TO THE MANAGEMENT OF URINARY INCONTINENCE. MANY WOMEN ARE INTERESTED IN ADDITIONAL TREATMENTS SUCH AS YOGA, A SYSTEM OF PHILOSOPHY, LIFESTYLE AND PHYSICAL PRACTICE THAT ORIGINATED IN ANCIENT INDIA. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA FOR TREATING URINARY INCONTINENCE IN WOMEN. SEARCH METHODS: WE SEARCHED THE COCHRANE INCONTINENCE AND COCHRANE COMPLEMENTARY MEDICINE SPECIALISED REGISTERS. WE SEARCHED THE WORLD HEALTH ORGANIZATION INTERNATIONAL CLINICAL TRIALS REGISTRY PLATFORM (WHO ICTRP) AND CLINICALTRIALS.GOV TO IDENTIFY ANY ONGOING OR UNPUBLISHED STUDIES. WE HANDSEARCHED PROCEEDINGS OF THE INTERNATIONAL CONGRESS ON COMPLEMENTARY MEDICINE RESEARCH AND THE EUROPEAN CONGRESS FOR INTEGRATIVE MEDICINE. WE SEARCHED THE NHS ECONOMIC EVALUATION DATABASE FOR ECONOMIC STUDIES, AND SUPPLEMENTED THIS SEARCH WITH SEARCHES FOR ECONOMICS STUDIES IN MEDLINE AND EMBASE FROM 2015 ONWARDS. DATABASE SEARCHES ARE UP-TO-DATE AS OF 21 JUNE 2018. SELECTION CRITERIA: RANDOMISED CONTROLLED TRIALS IN WOMEN DIAGNOSED WITH URINARY INCONTINENCE IN WHICH ONE GROUP WAS ALLOCATED TO TREATMENT WITH YOGA. DATA COLLECTION AND ANALYSIS: TWO REVIEW AUTHORS INDEPENDENTLY SCREENED TITLES AND ABSTRACTS OF ALL RETRIEVED ARTICLES, SELECTED STUDIES FOR INCLUSION, EXTRACTED DATA, ASSESSED RISK OF BIAS AND EVALUATED THE CERTAINTY OF THE EVIDENCE FOR EACH REPORTED OUTCOME. ANY DISAGREEMENTS WERE RESOLVED BY CONSENSUS. WE PLANNED TO COMBINE CLINICALLY COMPARABLE STUDIES IN REVIEW MANAGER 5 USING RANDOM-EFFECTS META-ANALYSIS AND TO CARRY OUT SENSITIVITY AND SUBGROUP ANALYSES. WE PLANNED TO CREATE A TABLE LISTING ECONOMIC STUDIES ON YOGA FOR INCONTINENCE BUT NOT CARRY OUT ANY ANALYSES ON THESE STUDIES. MAIN RESULTS: WE INCLUDED TWO STUDIES (INVOLVING A TOTAL OF 49 WOMEN). EACH STUDY COMPARED YOGA TO A DIFFERENT COMPARATOR, THEREFORE WE WERE UNABLE TO COMBINE THE DATA IN A META-ANALYSIS. A THIRD STUDY THAT HAS BEEN COMPLETED BUT NOT YET FULLY REPORTED IS AWAITING ASSESSMENT.ONE INCLUDED STUDY WAS A SIX-WEEK STUDY COMPARING YOGA TO A WAITING LIST IN 19 WOMEN WITH EITHER URGENCY URINARY INCONTINENCE OR STRESS URINARY INCONTINENCE. WE JUDGED THE CERTAINTY OF THE EVIDENCE FOR ALL REPORTED OUTCOMES AS VERY LOW DUE TO PERFORMANCE BIAS, DETECTION BIAS, AND IMPRECISION. THE NUMBER OF WOMEN REPORTING CURE WAS NOT REPORTED. WE ARE UNCERTAIN WHETHER YOGA RESULTS IN SATISFACTION WITH CURE OR IMPROVEMENT OF INCONTINENCE (RISK RATIO (RR) 6.33, 95% CONFIDENCE INTERVAL (CI) 1.44 TO 27.88; AN INCREASE OF 592 FROM 111 PER 1000, 95% CI 160 TO 1000). WE ARE UNCERTAIN WHETHER THERE IS A DIFFERENCE BETWEEN YOGA AND WAITING LIST IN CONDITION-SPECIFIC QUALITY OF LIFE AS MEASURED ON THE INCONTINENCE IMPACT QUESTIONNAIRE SHORT FORM (MEAN DIFFERENCE (MD) 1.74, 95% CI -33.02 TO 36.50); THE NUMBER OF MICTURITIONS (MD -0.77, 95% CI -2.13 TO 0.59); THE NUMBER OF INCONTINENCE EPISODES (MD -1.57, 95% CI -2.83 TO -0.31); OR THE BOTHERSOMENESS OF INCONTINENCE AS MEASURED ON THE UROGENITAL DISTRESS INVENTORY 6 (MD -0.90, 95% CI -1.46 TO -0.34). THERE WAS NO EVIDENCE OF A DIFFERENCE IN THE NUMBER OF WOMEN WHO EXPERIENCED AT LEAST ONE ADVERSE EVENT (RISK DIFFERENCE 0%, 95% CI -38% TO 38%; NO DIFFERENCE FROM 222 PER 1000, 95% CI 380 FEWER TO 380 MORE).THE SECOND INCLUDED STUDY WAS AN EIGHT-WEEK STUDY IN 30 WOMEN WITH URGENCY URINARY INCONTINENCE THAT COMPARED MINDFULNESS-BASED STRESS REDUCTION (MBSR) TO AN ACTIVE CONTROL INTERVENTION OF YOGA CLASSES. THE STUDY WAS UNBLINDED, AND THERE WAS HIGH ATTRITION FROM BOTH STUDY ARMS FOR ALL OUTCOME ASSESSMENTS. WE JUDGED THE CERTAINTY OF THE EVIDENCE FOR ALL REPORTED OUTCOMES AS VERY LOW DUE TO PERFORMANCE BIAS, ATTRITION BIAS, IMPRECISION AND INDIRECTNESS. THE NUMBER OF WOMEN REPORTING CURE WAS NOT REPORTED. WE ARE UNCERTAIN WHETHER WOMEN IN THE YOGA GROUP WERE LESS LIKELY TO REPORT IMPROVEMENT IN INCONTINENCE AT EIGHT WEEKS COMPARED TO WOMEN IN THE MBSR GROUP (RR 0.09, 95% CI 0.01 TO 1.43; A DECREASE OF 419 FROM 461 PER 1000, 95% CI 5 TO 660). WE ARE UNCERTAIN ABOUT THE EFFECT OF MBSR COMPARED TO YOGA ON REPORTS OF CURE OR IMPROVEMENT IN INCONTINENCE, IMPROVEMENT IN CONDITION-SPECIFIC QUALITY OF LIFE MEASURED ON THE OVERACTIVE BLADDER HEALTH-RELATED QUALITY OF LIFE SCALE, REDUCTION IN INCONTINENCE EPISODES OR REDUCTION IN BOTHERSOMENESS OF INCONTINENCE AS MEASURED ON THE OVERACTIVE BLADDER SYMPTOM AND QUALITY OF LIFE-SHORT FORM AT EIGHT WEEKS. THE STUDY DID NOT REPORT ON ADVERSE EFFECTS. AUTHORS' CONCLUSIONS: WE IDENTIFIED FEW TRIALS ON YOGA FOR INCONTINENCE, AND THE EXISTING TRIALS WERE SMALL AND AT HIGH RISK OF BIAS. IN ADDITION, WE DID NOT FIND ANY STUDIES OF ECONOMIC OUTCOMES RELATED TO YOGA FOR URINARY INCONTINENCE. DUE TO THE LACK OF EVIDENCE TO ANSWER THE REVIEW QUESTION, WE ARE UNCERTAIN WHETHER YOGA IS USEFUL FOR WOMEN WITH URINARY INCONTINENCE. ADDITIONAL, WELL-CONDUCTED TRIALS WITH LARGER SAMPLE SIZES ARE NEEDED. 2019 5 2829 107 YOGA VERSUS STANDARD CARE FOR SCHIZOPHRENIA. BACKGROUND: YOGA IS AN ANCIENT SPIRITUAL PRACTICE THAT ORIGINATED IN INDIA AND IS CURRENTLY ACCEPTED IN THE WESTERN WORLD AS A FORM OF RELAXATION AND EXERCISE. IT HAS BEEN OF INTEREST FOR PEOPLE WITH SCHIZOPHRENIA TO DETERMINE ITS EFFICACY AS AN ADJUNCT TO STANDARD-CARE TREATMENT. OBJECTIVES: TO EXAMINE THE EFFECTS OF YOGA VERSUS STANDARD CARE FOR PEOPLE WITH SCHIZOPHRENIA. SEARCH METHODS: WE SEARCHED THE COCHRANE SCHIZOPHRENIA GROUP TRIALS REGISTER (NOVEMBER 2012 AND JANUARY 29, 2015), WHICH IS BASED ON REGULAR SEARCHES OF MEDLINE, PUBMED, EMBASE, CINAHL, BIOSIS, AMED, PSYCINFO, AND REGISTRIES OF CLINICAL TRIALS. WE SEARCHED THE REFERENCES OF ALL INCLUDED STUDIES. THERE WERE NO LANGUAGE, DATE, DOCUMENT TYPE, OR PUBLICATION STATUS LIMITATIONS FOR INCLUSION OF RECORDS IN THE REGISTER. SELECTION CRITERIA: ALL RANDOMISED CONTROLLED TRIALS (RCTS) INCLUDING PEOPLE WITH SCHIZOPHRENIA COMPARING YOGA TO STANDARD-CARE CONTROL. DATA COLLECTION AND ANALYSIS: THE REVIEW TEAM INDEPENDENTLY SELECTED STUDIES, QUALITY RATED THESE, AND EXTRACTED DATA. FOR BINARY OUTCOMES, WE CALCULATED RISK RATIO (RR) AND ITS 95% CONFIDENCE INTERVAL (CI), ON AN INTENTION-TO-TREAT BASIS. FOR CONTINUOUS DATA, WE ESTIMATED THE MEAN DIFFERENCE (MD) BETWEEN GROUPS AND ITS 95% CI. WE EMPLOYED MIXED-EFFECT AND FIXED-EFFECT MODELS FOR ANALYSES. WE EXAMINED DATA FOR HETEROGENEITY (I(2) TECHNIQUE), ASSESSED RISK OF BIAS FOR INCLUDED STUDIES, AND CREATED 'SUMMARY OF FINDINGS' TABLES USING GRADE (GRADING OF RECOMMENDATIONS ASSESSMENT, DEVELOPMENT AND EVALUATION). MAIN RESULTS: WE INCLUDED EIGHT STUDIES IN THE REVIEW. ALL OUTCOMES WERE SHORT TERM (LESS THAN SIX MONTHS). THERE WERE CLEAR DIFFERENCES IN A NUMBER OF OUTCOMES IN FAVOUR OF THE YOGA GROUP, ALTHOUGH THESE WERE BASED ON ONE STUDY EACH, WITH THE EXCEPTION OF LEAVING THE STUDY EARLY. THESE INCLUDED MENTAL STATE (IMPROVEMENT IN POSITIVE AND NEGATIVE SYNDROME SCALE, 1 RCT, N = 83, RR 0.70 CI 0.55 TO 0.88, MEDIUM-QUALITY EVIDENCE), SOCIAL FUNCTIONING (IMPROVEMENT IN SOCIAL OCCUPATIONAL FUNCTIONING SCALE, 1 RCT, N = 83, RR 0.88 CI 0.77 TO 1, MEDIUM-QUALITY EVIDENCE), QUALITY OF LIFE (AVERAGE CHANGE 36-ITEM SHORT FORM SURVEY (SF-36) QUALITY-OF-LIFE SUBSCALE, 1 RCT, N = 60, MD 15.50, 95% CI 4.27 TO 26.73, LOW-QUALITY EVIDENCE), AND LEAVING THE STUDY EARLY (8 RCTS, N = 457, RR 0.91 CI 0.6 TO 1.37, MEDIUM-QUALITY EVIDENCE). FOR THE OUTCOME OF PHYSICAL HEALTH, THERE WAS NOT A CLEAR DIFFERENCE BETWEEN GROUPS (AVERAGE CHANGE SF-36 PHYSICAL-HEALTH SUBSCALE, 1 RCT, N = 60, MD 6.60, 95% CI -2.44 TO 15.64, LOW-QUALITY EVIDENCE). ONLY ONE STUDY REPORTED ADVERSE EFFECTS, FINDING NO INCIDENCE OF ADVERSE EVENTS IN EITHER TREATMENT GROUP. THIS REVIEW WAS SUBJECT TO A CONSIDERABLE NUMBER OF MISSING OUTCOMES, WHICH INCLUDED GLOBAL STATE, CHANGE IN COGNITION, COSTS OF CARE, EFFECT ON STANDARD CARE, SERVICE INTERVENTION, DISABILITY, AND ACTIVITIES OF DAILY LIVING. AUTHORS' CONCLUSIONS: EVEN THOUGH WE FOUND SOME POSITIVE EVIDENCE IN FAVOUR OF YOGA OVER STANDARD-CARE CONTROL, THIS SHOULD BE INTERPRETED CAUTIOUSLY IN VIEW OF OUTCOMES LARGELY BASED EACH ON ONE STUDY WITH LIMITED SAMPLE SIZES AND SHORT-TERM FOLLOW-UP. OVERALL, MANY OUTCOMES WERE NOT REPORTED AND EVIDENCE PRESENTED IN THIS REVIEW IS OF LOW TO MODERATE QUALITY - -TOO WEAK TO INDICATE THAT YOGA IS SUPERIOR TO STANDARD-CARE CONTROL FOR THE MANAGEMENT OF SCHIZOPHRENIA. 2015 6 2587 140 YOGA FOR IMPROVING HEALTH-RELATED QUALITY OF LIFE, MENTAL HEALTH AND CANCER-RELATED SYMPTOMS IN WOMEN DIAGNOSED WITH BREAST CANCER. BACKGROUND: BREAST CANCER IS THE CANCER MOST FREQUENTLY DIAGNOSED IN WOMEN WORLDWIDE. EVEN THOUGH SURVIVAL RATES ARE CONTINUALLY INCREASING, BREAST CANCER IS OFTEN ASSOCIATED WITH LONG-TERM PSYCHOLOGICAL DISTRESS, CHRONIC PAIN, FATIGUE AND IMPAIRED QUALITY OF LIFE. YOGA COMPRISES ADVICE FOR AN ETHICAL LIFESTYLE, SPIRITUAL PRACTICE, PHYSICAL ACTIVITY, BREATHING EXERCISES AND MEDITATION. IT IS A COMPLEMENTARY THERAPY THAT IS COMMONLY RECOMMENDED FOR BREAST CANCER-RELATED IMPAIRMENTS AND HAS BEEN SHOWN TO IMPROVE PHYSICAL AND MENTAL HEALTH IN PEOPLE WITH DIFFERENT CANCER TYPES. OBJECTIVES: TO ASSESS EFFECTS OF YOGA ON HEALTH-RELATED QUALITY OF LIFE, MENTAL HEALTH AND CANCER-RELATED SYMPTOMS AMONG WOMEN WITH A DIAGNOSIS OF BREAST CANCER WHO ARE RECEIVING ACTIVE TREATMENT OR HAVE COMPLETED TREATMENT. SEARCH METHODS: WE SEARCHED THE COCHRANE BREAST CANCER SPECIALISED REGISTER, MEDLINE (VIA PUBMED), EMBASE, THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL; 2016, ISSUE 1), INDEXING OF INDIAN MEDICAL JOURNALS (INDMED), THE WORLD HEALTH ORGANIZATION (WHO) INTERNATIONAL CLINICAL TRIALS REGISTRY PLATFORM (ICTRP) SEARCH PORTAL AND CLINICALTRIALS.GOV ON 29 JANUARY 2016. WE ALSO SEARCHED REFERENCE LISTS OF IDENTIFIED RELEVANT TRIALS OR REVIEWS, AS WELL AS CONFERENCE PROCEEDINGS OF THE INTERNATIONAL CONGRESS ON COMPLEMENTARY MEDICINE RESEARCH (ICCMR), THE EUROPEAN CONGRESS FOR INTEGRATIVE MEDICINE (ECIM) AND THE AMERICAN SOCIETY OF CLINICAL ONCOLOGY (ASCO). WE APPLIED NO LANGUAGE RESTRICTIONS. SELECTION CRITERIA: RANDOMISED CONTROLLED TRIALS WERE ELIGIBLE WHEN THEY (1) COMPARED YOGA INTERVENTIONS VERSUS NO THERAPY OR VERSUS ANY OTHER ACTIVE THERAPY IN WOMEN WITH A DIAGNOSIS OF NON-METASTATIC OR METASTATIC BREAST CANCER, AND (2) ASSESSED AT LEAST ONE OF THE PRIMARY OUTCOMES ON PATIENT-REPORTED INSTRUMENTS, INCLUDING HEALTH-RELATED QUALITY OF LIFE, DEPRESSION, ANXIETY, FATIGUE OR SLEEP DISTURBANCES. DATA COLLECTION AND ANALYSIS: TWO REVIEW AUTHORS INDEPENDENTLY COLLECTED DATA ON METHODS AND RESULTS. WE EXPRESSED OUTCOMES AS STANDARDISED MEAN DIFFERENCES (SMDS) WITH 95% CONFIDENCE INTERVALS (CIS) AND CONDUCTED RANDOM-EFFECTS MODEL META-ANALYSES. WE ASSESSED POTENTIAL RISK OF PUBLICATION BIAS THROUGH VISUAL ANALYSIS OF FUNNEL PLOT SYMMETRY AND HETEROGENEITY BETWEEN STUDIES BY USING THE CHI(2) TEST AND THE I(2) STATISTIC. WE CONDUCTED SUBGROUP ANALYSES FOR CURRENT TREATMENT STATUS, TIME SINCE DIAGNOSIS, STAGE OF CANCER AND TYPE OF YOGA INTERVENTION. MAIN RESULTS: WE INCLUDED 24 STUDIES WITH A TOTAL OF 2166 PARTICIPANTS, 23 OF WHICH PROVIDED DATA FOR META-ANALYSIS. THIRTEEN STUDIES HAD LOW RISK OF SELECTION BIAS, FIVE STUDIES REPORTED ADEQUATE BLINDING OF OUTCOME ASSESSMENT AND 15 STUDIES HAD LOW RISK OF ATTRITION BIAS.SEVENTEEN STUDIES THAT COMPARED YOGA VERSUS NO THERAPY PROVIDED MODERATE-QUALITY EVIDENCE SHOWING THAT YOGA IMPROVED HEALTH-RELATED QUALITY OF LIFE (POOLED SMD 0.22, 95% CI 0.04 TO 0.40; 10 STUDIES, 675 PARTICIPANTS), REDUCED FATIGUE (POOLED SMD -0.48, 95% CI -0.75 TO -0.20; 11 STUDIES, 883 PARTICIPANTS) AND REDUCED SLEEP DISTURBANCES IN THE SHORT TERM (POOLED SMD -0.25, 95% CI -0.40 TO -0.09; SIX STUDIES, 657 PARTICIPANTS). THE FUNNEL PLOT FOR HEALTH-RELATED QUALITY OF LIFE WAS ASYMMETRICAL, FAVOURING NO THERAPY, AND THE FUNNEL PLOT FOR FATIGUE WAS ROUGHLY SYMMETRICAL. THIS HINTS AT OVERALL LOW RISK OF PUBLICATION BIAS. YOGA DID NOT APPEAR TO REDUCE DEPRESSION (POOLED SMD -0.13, 95% CI -0.31 TO 0.05; SEVEN STUDIES, 496 PARTICIPANTS; LOW-QUALITY EVIDENCE) OR ANXIETY (POOLED SMD -0.53, 95% CI -1.10 TO 0.04; SIX STUDIES, 346 PARTICIPANTS; VERY LOW-QUALITY EVIDENCE) IN THE SHORT TERM AND HAD NO MEDIUM-TERM EFFECTS ON HEALTH-RELATED QUALITY OF LIFE (POOLED SMD 0.10, 95% CI -0.23 TO 0.42; TWO STUDIES, 146 PARTICIPANTS; LOW-QUALITY EVIDENCE) OR FATIGUE (POOLED SMD -0.04, 95% CI -0.36 TO 0.29; TWO STUDIES, 146 PARTICIPANTS; LOW-QUALITY EVIDENCE). INVESTIGATORS REPORTED NO SERIOUS ADVERSE EVENTS.FOUR STUDIES THAT COMPARED YOGA VERSUS PSYCHOSOCIAL/EDUCATIONAL INTERVENTIONS PROVIDED MODERATE-QUALITY EVIDENCE INDICATING THAT YOGA CAN REDUCE DEPRESSION (POOLED SMD -2.29, 95% CI -3.97 TO -0.61; FOUR STUDIES, 226 PARTICIPANTS), ANXIETY (POOLED SMD -2.21, 95% CI -3.90 TO -0.52; THREE STUDIES, 195 PARTICIPANTS) AND FATIGUE (POOLED SMD -0.90, 95% CI -1.31 TO -0.50; TWO STUDIES, 106 PARTICIPANTS) IN THE SHORT TERM. VERY LOW-QUALITY EVIDENCE SHOWED NO SHORT-TERM EFFECTS ON HEALTH-RELATED QUALITY OF LIFE (POOLED SMD 0.81, 95% CI -0.50 TO 2.12; TWO STUDIES, 153 PARTICIPANTS) OR SLEEP DISTURBANCES (POOLED SMD -0.21, 95% CI -0.76 TO 0.34; TWO STUDIES, 119 PARTICIPANTS). NO TRIAL ADEQUATELY REPORTED SAFETY-RELATED DATA.THREE STUDIES THAT COMPARED YOGA VERSUS EXERCISE PRESENTED VERY LOW-QUALITY EVIDENCE SHOWING NO SHORT-TERM EFFECTS ON HEALTH-RELATED QUALITY OF LIFE (POOLED SMD -0.04, 95% CI -0.30 TO 0.23; THREE STUDIES, 233 PARTICIPANTS) OR FATIGUE (POOLED SMD -0.21, 95% CI -0.66 TO 0.25; THREE STUDIES, 233 PARTICIPANTS); NO TRIAL PROVIDED SAFETY-RELATED DATA. AUTHORS' CONCLUSIONS: MODERATE-QUALITY EVIDENCE SUPPORTS THE RECOMMENDATION OF YOGA AS A SUPPORTIVE INTERVENTION FOR IMPROVING HEALTH-RELATED QUALITY OF LIFE AND REDUCING FATIGUE AND SLEEP DISTURBANCES WHEN COMPARED WITH NO THERAPY, AS WELL AS FOR REDUCING DEPRESSION, ANXIETY AND FATIGUE, WHEN COMPARED WITH PSYCHOSOCIAL/EDUCATIONAL INTERVENTIONS. VERY LOW-QUALITY EVIDENCE SUGGESTS THAT YOGA MIGHT BE AS EFFECTIVE AS OTHER EXERCISE INTERVENTIONS AND MIGHT BE USED AS AN ALTERNATIVE TO OTHER EXERCISE PROGRAMMES. 2017 7 2827 118 YOGA VERSUS NON-STANDARD CARE FOR SCHIZOPHRENIA. BACKGROUND: YOGA IS AN ANCIENT SPIRITUAL PRACTICE THAT ORIGINATED IN INDIA AND IS CURRENTLY ACCEPTED IN THE WESTERN WORLD AS A FORM OF RELAXATION AND EXERCISE. IT HAS BEEN OF INTEREST FOR PEOPLE WITH SCHIZOPHRENIA AS AN ALTERNATIVE OR ADJUNCTIVE TREATMENT. OBJECTIVES: TO SYSTEMATICALLY ASSESS THE EFFECTS OF YOGA VERSUS NON-STANDARD CARE FOR PEOPLE WITH SCHIZOPHRENIA. SEARCH METHODS: THE INFORMATION SPECIALIST OF THE COCHRANE SCHIZOPHRENIA GROUP SEARCHED THEIR SPECIALISED TRIALS REGISTER (LATEST 30 MARCH 2017), WHICH IS BASED ON REGULAR SEARCHES OF MEDLINE, PUBMED, EMBASE, CINAHL, BIOSIS, AMED, PSYCINFO, AND REGISTRIES OF CLINICAL TRIALS. WE SEARCHED THE REFERENCES OF ALL INCLUDED STUDIES. THERE ARE NO LANGUAGE, DATE, DOCUMENT TYPE, OR PUBLICATION STATUS LIMITATIONS FOR INCLUSION OF RECORDS IN THE REGISTER. SELECTION CRITERIA: ALL RANDOMISED CONTROLLED TRIALS (RCTS) INCLUDING PEOPLE WITH SCHIZOPHRENIA AND COMPARING YOGA WITH NON-STANDARD CARE. WE INCLUDED TRIALS THAT MET OUR SELECTION CRITERIA AND REPORTED USEABLE DATA. DATA COLLECTION AND ANALYSIS: THE REVIEW TEAM INDEPENDENTLY SELECTED STUDIES, ASSESSED QUALITY, AND EXTRACTED DATA. FOR BINARY OUTCOMES, WE CALCULATED RISK RATIO (RR) AND ITS 95% CONFIDENCE INTERVAL (CI), ON AN INTENTION-TO-TREAT BASIS. FOR CONTINUOUS DATA, WE ESTIMATED THE MEAN DIFFERENCE (MD) BETWEEN GROUPS AND ITS 95% CI. WE EMPLOYED A FIXED-EFFECT MODELS FOR ANALYSES. WE EXAMINED DATA FOR HETEROGENEITY (I(2) TECHNIQUE), ASSESSED RISK OF BIAS FOR INCLUDED STUDIES, AND CREATED A 'SUMMARY OF FINDINGS' TABLE FOR SEVEN MAIN OUTCOMES OF INTEREST USING GRADE (GRADING OF RECOMMENDATIONS ASSESSMENT, DEVELOPMENT AND EVALUATION). MAIN RESULTS: WE WERE ABLE TO INCLUDE SIX STUDIES (586 PARTICIPANTS). NON-STANDARD CARE CONSISTED SOLELY OF ANOTHER TYPE OF EXERCISE PROGRAMME. ALL OUTCOMES WERE SHORT TERM (LESS THAN SIX MONTHS). THERE WAS A CLEAR DIFFERENCE IN THE OUTCOME LEAVING THE STUDY EARLY (6 RCTS, N=586, RR 0.64 CI 0.49 TO 0.83, MEDIUM QUALITY EVIDENCE) IN FAVOUR OF THE YOGA GROUP. THERE WERE NO CLEAR DIFFERENCES BETWEEN GROUPS FOR THE REMAINING OUTCOMES. THESE INCLUDED MENTAL STATE (IMPROVEMENT IN POSITIVE AND NEGATIVE SYNDROME SCALE, 1 RCT, N=84, RR 0.81 CI 0.62 TO 1.07, LOW QUALITY EVIDENCE), SOCIAL FUNCTIONING (IMPROVEMENT IN SOCIAL OCCUPATIONAL FUNCTIONING SCALE, 1 RCT, N=84, RR 0.90 CI 0.78 TO 1.04, LOW QUALITY EVIDENCE), QUALITY OF LIFE (MENTAL HEALTH) (AVERAGE CHANGE 36-ITEM SHORT FORM SURVEY (SF-36) QUALITY-OF-LIFE SUB-SCALE, 1 RCT, N=69, MD -5.30 CI -17.78 TO 7.18, LOW QUALITY EVIDENCE), PHYSICAL HEALTH, (AVERAGE CHANGE WHOQOL-BREF PHYSICAL-HEALTH SUB-SCALE, 1 RCT, N=69, MD 9.22 CI -0.42 TO 18.86, LOW QUALITY EVIDENCE). ONLY ONE STUDY REPORTED ADVERSE EFFECTS, FINDING NO INCIDENCE OF ADVERSE EVENTS IN EITHER TREATMENT GROUP. THERE WERE A CONSIDERABLE NUMBER OF MISSING OUTCOMES, WHICH INCLUDED RELAPSE, CHANGE IN COGNITION, COSTS OF CARE, EFFECT ON STANDARD CARE, SERVICE INTERVENTION, DISABILITY, AND ACTIVITIES OF DAILY LIVING. AUTHORS' CONCLUSIONS: WE FOUND MINIMAL DIFFERENCES BETWEEN YOGA AND NON-STANDARD CARE, THE LATTER CONSISTING OF ANOTHER EXERCISE COMPARATOR, WHICH COULD BE BROADLY CONSIDERED AEROBIC EXERCISE. OUTCOMES WERE LARGELY BASED ON SINGLE STUDIES WITH LIMITED SAMPLE SIZES AND SHORT-TERM FOLLOW-UP. OVERALL, MANY OUTCOMES WERE NOT REPORTED AND EVIDENCE PRESENTED IN THIS REVIEW IS OF LOW TO MODERATE QUALITY - TOO WEAK TO INDICATE THAT YOGA IS SUPERIOR OR INFERIOR TO NON-STANDARD CARE CONTROL FOR MANAGEMENT OF PEOPLE WITH SCHIZOPHRENIA. 2017 8 2518 108 YOGA COMPARED TO NON-EXERCISE OR PHYSICAL THERAPY EXERCISE ON PAIN, DISABILITY, AND QUALITY OF LIFE FOR PATIENTS WITH CHRONIC LOW BACK PAIN: A SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. BACKGROUND: CHRONIC LOW BACK PAIN (CLBP) IS A COMMON AND OFTEN DISABLING MUSCULOSKELETAL CONDITION. YOGA HAS BEEN PROVEN TO BE AN EFFECTIVE THERAPY FOR CHRONIC LOW BACK PAIN. HOWEVER, THERE ARE STILL CONTROVERSIES ABOUT THE EFFECTS OF YOGA AT DIFFERENT FOLLOW-UP PERIODS AND COMPARED WITH OTHER PHYSICAL THERAPY EXERCISES. OBJECTIVE: TO CRITICALLY COMPARE THE EFFECTS OF YOGA FOR PATIENTS WITH CHRONIC LOW BACK PAIN ON PAIN, DISABILITY, QUALITY OF LIFE WITH NON-EXERCISE (E.G. USUAL CARE, EDUCATION), PHYSICAL THERAPY EXERCISE. METHODS: THIS STUDY WAS REGISTERED IN PROSPERO, AND THE REGISTRATION NUMBER WAS CRD42020159865. RANDOMIZED CONTROLLED TRIALS (RCTS) OF ONLINE DATABASES INCLUDED PUBMED, WEB OF SCIENCE, COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS, EMBASE WHICH EVALUATED EFFECTS OF YOGA FOR PATIENTS WITH CHRONIC LOW BACK PAIN ON PAIN, DISABILITY, AND QUALITY OF LIFE WERE SEARCHED FROM INCEPTION TIME TO NOVEMBER 1, 2019. STUDIES WERE ELIGIBLE IF THEY ASSESSED AT LEAST ONE IMPORTANT OUTCOME, NAMELY PAIN, BACK-SPECIFIC DISABILITY, QUALITY OF LIFE. THE COCHRANE RISK OF BIAS TOOL WAS USED TO ASSESS THE METHODOLOGICAL QUALITY OF INCLUDED RANDOMIZED CONTROLLED TRIALS. THE CONTINUOUS OUTCOMES WERE ANALYZED BY CALCULATING THE MEAN DIFFERENCE (MD) OR STANDARDIZED MEAN DIFFERENCE (SMD) WITH 95% CONFIDENCE INTERVALS (CI) ACCORDING TO WHETHER COMBINING OUTCOMES MEASURED ON DIFFERENT SCALES OR NOT. RESULTS: A TOTAL OF 18 RANDOMIZED CONTROLLED TRIALS WERE INCLUDED IN THIS META-ANALYSIS. YOGA COULD SIGNIFICANTLY REDUCE PAIN AT 4 TO 8 WEEKS (MD = -0.83, 95% CI = -1.19 TO -0.48, P<0.00001, I2 = 0%), 3 MONTHS (MD = -0.43, 95% CI = -0.64 TO -0.23, P<0.0001, I2 = 0%), 6 TO 7 MONTHS (MD = -0.56, 95% CI = -1.02 TO -0.11, P = 0.02, I2 = 50%), AND WAS NOT SIGNIFICANT IN 12 MONTHS (MD = -0.52, 95% CI = -1.64 TO 0.59, P = 0.36, I2 = 87%) COMPARED WITH NON-EXERCISE. YOGA WAS BETTER THAN NON-EXERCISE ON DISABILITY AT 4 TO 8 WEEKS (SMD = -0.30, 95% CI = -0.51 TO -0.10, P = 0.003, I2 = 0%), 3 MONTHS (SMD = -0.31, 95% CI = -0.45 TO -0.18, P<0.00001, I2 = 30%), 6 MONTHS (SMD = -0.38, 95% CI = -0.53 TO -0.23, P<0.00001, I2 = 0%), 12 MONTHS (SMD = -0.33, 95% CI = -0.54 TO -0.12, P = 0.002, I2 = 9%). THERE WAS NO SIGNIFICANT DIFFERENCE ON PAIN, DISABILITY COMPARED WITH PHYSICAL THERAPY EXERCISE GROUP. FURTHERMORE, IT SUGGESTED THAT THERE WAS A NON-SIGNIFICANT DIFFERENCE ON PHYSICAL AND MENTAL QUALITY OF LIFE BETWEEN YOGA AND ANY OTHER INTERVENTIONS. CONCLUSION: THIS META-ANALYSIS PROVIDED EVIDENCE FROM VERY LOW TO MODERATE INVESTIGATING THE EFFECTIVENESS OF YOGA FOR CHRONIC LOW BACK PAIN PATIENTS AT DIFFERENT TIME POINTS. YOGA MIGHT DECREASE PAIN FROM SHORT TERM TO INTERMEDIATE TERM AND IMPROVE FUNCTIONAL DISABILITY STATUS FROM SHORT TERM TO LONG TERM COMPARED WITH NON-EXERCISE (E.G. USUAL CARE, EDUCATION). YOGA HAD THE SAME EFFECT ON PAIN AND DISABILITY AS ANY OTHER EXERCISE OR PHYSICAL THERAPY. YOGA MIGHT NOT IMPROVE THE PHYSICAL AND MENTAL QUALITY OF LIFE BASED ON THE RESULT OF A MERGING. 2020 9 518 62 COMPARING ONCE- VERSUS TWICE-WEEKLY YOGA CLASSES FOR CHRONIC LOW BACK PAIN IN PREDOMINANTLY LOW INCOME MINORITIES: A RANDOMIZED DOSING TRIAL. BACKGROUND. PREVIOUS STUDIES HAVE DEMONSTRATED THAT ONCE-WEEKLY YOGA CLASSES ARE EFFECTIVE FOR CHRONIC LOW BACK PAIN (CLBP) IN WHITE ADULTS WITH HIGH SOCIOECONOMIC STATUS. THE COMPARATIVE EFFECTIVENESS OF TWICE-WEEKLY CLASSES AND GENERALIZABILITY TO RACIALLY DIVERSE LOW INCOME POPULATIONS ARE UNKNOWN. METHODS. WE CONDUCTED A 12-WEEK RANDOMIZED, PARALLEL-GROUP, DOSING TRIAL FOR 95 ADULTS RECRUITED FROM AN URBAN SAFETY-NET HOSPITAL AND FIVE COMMUNITY HEALTH CENTERS COMPARING ONCE-WEEKLY (N = 49) VERSUS TWICE-WEEKLY (N = 46) STANDARDIZED YOGA CLASSES SUPPLEMENTED BY HOME PRACTICE. PRIMARY OUTCOMES WERE CHANGE FROM BASELINE TO 12 WEEKS IN PAIN (11-POINT SCALE) AND BACK-RELATED FUNCTION (23-POINT MODIFIED ROLAND-MORRIS DISABILITY QUESTIONNAIRE). RESULTS. 82% OF PARTICIPANTS WERE NONWHITE; 77% HAD ANNUAL HOUSEHOLD INCOMES <$40,000. THE SAMPLE'S BASELINE MEAN PAIN INTENSITY [6.9 (SD 1.6)] AND FUNCTION [13.7 (SD 5.0)] REFLECTED MODERATE TO SEVERE BACK PAIN AND IMPAIRMENT. PAIN AND BACK-RELATED FUNCTION IMPROVED WITHIN BOTH GROUPS (P < 0.001). HOWEVER, THERE WERE NO DIFFERENCES BETWEEN ONCE-WEEKLY AND TWICE-WEEKLY GROUPS FOR PAIN REDUCTION [-2.1 (95% CI -2.9, -1.3) VERSUS -2.4 (95% CI -3.1, -1.8), P = 0.62] OR BACK-RELATED FUNCTION [-5.1 (95% CI -7.0, -3.2) VERSUS -4.9 (95% CI -6.5, -3.3), P = 0.83]. CONCLUSIONS. TWELVE WEEKS OF ONCE-WEEKLY OR TWICE-WEEKLY YOGA CLASSES WERE SIMILARLY EFFECTIVE FOR PREDOMINANTLY LOW INCOME MINORITY ADULTS WITH MODERATE TO SEVERE CHRONIC LOW BACK PAIN. THIS TRIAL IS REGISTERED WITH CLINICALTRIALS.GOV NCT01761617. 2013 10 2497 101 YOGA AS PART OF A PACKAGE OF CARE VERSUS STANDARD CARE FOR SCHIZOPHRENIA. BACKGROUND: YOGA IS AN ANCIENT SPIRITUAL PRACTICE THAT ORIGINATED IN INDIA AND IS CURRENTLY ACCEPTED IN THE WESTERN WORLD AS A FORM OF RELAXATION AND EXERCISE. IT HAS BEEN OF INTEREST FOR PEOPLE WITH SCHIZOPHRENIA TO DETERMINE THE EFFICACY OF YOGA DELIVERED AS A PACKAGE OF CARE VERSUS STANDARD CARE. OBJECTIVES: TO EXAMINE THE EFFECTS OF YOGA AS A PACKAGE OF CARE VERSUS STANDARD CARE. SEARCH METHODS: WE SEARCHED THE COCHRANE SCHIZOPHRENIA GROUP TRIALS REGISTER (LATEST 30 MARCH 2017) WHICH IS BASED ON REGULAR SEARCHES OF MEDLINE, PUBMED, EMBASE, CINAHL, BIOSS, AMED, PSYCHINFO, AND REGISTRIES OF CLINICAL TRIALS. WE SEARCHED THE REFERENCES OF ALL INCLUDED STUDIES. THERE ARE NO LANGUAGE, DATE, DOCUMENT TYPE, OR PUBLICATION STATUS LIMITATIONS FOR INCLUSION OF RECORDS IN THE REGISTER. SELECTION CRITERIA: ALL RANDOMISED CONTROLLED TRIALS (RCTS) INCLUDING PEOPLE WITH SCHIZOPHRENIA COMPARING YOGA AS A PACKAGE OF CARE WITH STANDARD-CARE CONTROL. DATA COLLECTION AND ANALYSIS: THE REVIEW AUTHORS INDEPENDENTLY SELECTED STUDIES, QUALITY RATED THESE, AND EXTRACTED DATA. FOR BINARY OUTCOMES, WE CALCULATED RISK DIFFERENCE (RD) AND ITS 95% CONFIDENCE INTERVAL (CI), ON AN INTENTION-TO-TREAT (ITT) BASIS. FOR CONTINUOUS DATA, WE ESTIMATED THE MEAN DIFFERENCE (MD) BETWEEN GROUPS AND ITS CI. WE EMPLOYED MIXED-EFFECT AND FIXED-EFFECT MODELS FOR ANALYSIS. WE EXAMINED HETEROGENEITY (I(2) TECHNIQUE), ASSESSED RISK OF BIAS FOR INCLUDED STUDIES, AND CREATED A 'SUMMARY OF FINDINGS' TABLE USING GRADE (GRADING OF RECOMMENDATIONS ASSESSMENT, DEVELOPMENT AND EVALUATION). MAIN RESULTS: THREE STUDIES ARE INCLUDED IN THIS REVIEW. ALL OUTCOMES WERE SHORT TERM (LESS THAN EIGHT WEEKS). USEABLE DATA WERE REPORTED FOR TWO OUTCOMES ONLY; LEAVING THE STUDY EARLY AND QUALITY OF LIFE. NONE OF THE PARTICIPANTS LEFT THE STUDIES EARLY AND THERE WAS SOME EVIDENCE IN FAVOUR OF THE YOGA PACKAGE FOR QUALITY OF LIFE ENDPOINT SCORES (1 RCT, N=80, MD 22.93 CI 19.74 TO 26.12, LOW-QUALITY EVIDENCE). LEAVING THE STUDY EARLY DATA WERE EQUIVOCAL BETWEEN THE TREATMENT GROUPS (3 RCTS, N=193, RD 0.06 CI -0.01 TO 0.13, MEDIUM-QUALITY EVIDENCE, HIGH HETEROGENEITY). OVERALL, THIS REVIEW HAS AN INORDINATE NUMBER OF MISSING KEY OUTCOMES, WHICH INCLUDED MENTAL AND GLOBAL STATE, SOCIAL FUNCTIONING, PHYSICAL HEALTH, ADVERSE EFFECTS AND COSTS OF CARE. AUTHORS' CONCLUSIONS: A SMALL NUMBER OF SMALL STUDIES WERE INCLUDED IN THIS REVIEW AND THESE LACKED MANY KEY OUTCOMES. THE SPARSE DATA MEANS WE CANNOT STATE WITH ANY DEGREE OF CERTAINTY IF YOGA DELIVERED AS A PACKAGE OF CARE IS BENEFICIAL IN COMPARISON TO STANDARD CARE. 2017 11 2629 114 YOGA FOR THE PRIMARY PREVENTION OF CARDIOVASCULAR DISEASE. BACKGROUND: A SEDENTARY LIFESTYLE AND STRESS ARE MAJOR RISK FACTORS FOR CARDIOVASCULAR DISEASE (CVD). SINCE YOGA INVOLVES EXERCISE AND IS THOUGHT TO HELP IN STRESS REDUCTION IT MAY BE AN EFFECTIVE STRATEGY IN THE PRIMARY PREVENTION OF CVD. OBJECTIVES: TO DETERMINE THE EFFECT OF ANY TYPE OF YOGA ON THE PRIMARY PREVENTION OF CVD. SEARCH METHODS: WE SEARCHED THE FOLLOWING ELECTRONIC DATABASES: THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL) (2013, ISSUE 11) IN THE COCHRANE LIBRARY; MEDLINE (OVID) (1946 TO NOVEMBER WEEK 3 2013); EMBASE CLASSIC + EMBASE (OVID) (1947 TO 2013 WEEK 48); WEB OF SCIENCE (THOMSON REUTERS) (1970 TO 4 DECEMBER 2013); DATABASE OF ABSTRACTS OF REVIEWS OF EFFECTS (DARE), HEALTH TECHNOLOGY ASSESSMENT DATABASE AND HEALTH ECONOMICS EVALUATIONS DATABASE (ISSUE 4 OF 4, 2013) IN THE COCHRANE LIBRARY. WE ALSO SEARCHED A NUMBER OF ASIAN DATABASES AND THE ALLIED AND COMPLEMENTARY MEDICINE DATABASE (AMED) (INCEPTION TO DECEMBER 2012). WE SEARCHED TRIAL REGISTERS AND REFERENCE LISTS OF REVIEWS AND ARTICLES, AND APPROACHED EXPERTS IN THE FIELD. WE APPLIED NO LANGUAGE RESTRICTIONS. SELECTION CRITERIA: RANDOMISED CONTROLLED TRIALS LASTING AT LEAST THREE MONTHS INVOLVING HEALTHY ADULTS OR THOSE AT HIGH RISK OF CVD. TRIALS EXAMINED ANY TYPE OF YOGA AND THE COMPARISON GROUP WAS NO INTERVENTION OR MINIMAL INTERVENTION. OUTCOMES OF INTEREST WERE CLINICAL CVD EVENTS AND MAJOR CVD RISK FACTORS. WE DID NOT INCLUDE ANY TRIALS THAT INVOLVED MULTIFACTORIAL LIFESTYLE INTERVENTIONS OR WEIGHT LOSS. DATA COLLECTION AND ANALYSIS: TWO AUTHORS INDEPENDENTLY SELECTED TRIALS FOR INCLUSION, EXTRACTED DATA AND ASSESSED THE RISK OF BIAS. MAIN RESULTS: WE IDENTIFIED 11 TRIALS (800 PARTICIPANTS) AND TWO ONGOING STUDIES. STYLE AND DURATION OF YOGA DIFFERED BETWEEN TRIALS. HALF OF THE PARTICIPANTS RECRUITED TO THE STUDIES WERE AT HIGH RISK OF CVD. MOST OF STUDIES WERE AT RISK OF PERFORMANCE BIAS, WITH INADEQUATE DETAILS REPORTED IN MANY OF THEM TO JUDGE THE RISK OF SELECTION BIAS.NO STUDY REPORTED CARDIOVASCULAR MORTALITY, ALL-CAUSE MORTALITY OR NON-FATAL EVENTS, AND MOST STUDIES WERE SMALL AND SHORT-TERM. THERE WAS SUBSTANTIAL HETEROGENEITY BETWEEN STUDIES MAKING IT IMPOSSIBLE TO COMBINE STUDIES STATISTICALLY FOR SYSTOLIC BLOOD PRESSURE AND TOTAL CHOLESTEROL. YOGA WAS FOUND TO PRODUCE REDUCTIONS IN DIASTOLIC BLOOD PRESSURE (MEAN DIFFERENCE (MD) -2.90 MMHG, 95% CONFIDENCE INTERVAL (CI) -4.52 TO -1.28), WHICH WAS STABLE ON SENSITIVITY ANALYSIS, TRIGLYCERIDES (MD -0.27 MMOL/L, 95% CI -0.44 TO -0.11) AND HIGH-DENSITY LIPOPROTEIN (HDL) CHOLESTEROL (MD 0.08 MMOL/L, 95% CI 0.02 TO 0.14). HOWEVER, THE CONTRIBUTING STUDIES WERE SMALL, SHORT-TERM AND AT UNCLEAR OR HIGH RISK OF BIAS. THERE WAS NO CLEAR EVIDENCE OF A DIFFERENCE BETWEEN GROUPS FOR LOW-DENSITY LIPOPROTEIN (LDL) CHOLESTEROL (MD -0.09 MMOL/L, 95% CI -0.48 TO 0.30), ALTHOUGH THERE WAS MODERATE STATISTICAL HETEROGENEITY. ADVERSE EVENTS, OCCURRENCE OF TYPE 2 DIABETES AND COSTS WERE NOT REPORTED IN ANY OF THE INCLUDED STUDIES. QUALITY OF LIFE WAS MEASURED IN THREE TRIALS BUT THE RESULTS WERE INCONCLUSIVE. AUTHORS' CONCLUSIONS: THE LIMITED EVIDENCE COMES FROM SMALL, SHORT-TERM, LOW-QUALITY STUDIES. THERE IS SOME EVIDENCE THAT YOGA HAS FAVOURABLE EFFECTS ON DIASTOLIC BLOOD PRESSURE, HDL CHOLESTEROL AND TRIGLYCERIDES, AND UNCERTAIN EFFECTS ON LDL CHOLESTEROL. THESE RESULTS SHOULD BE CONSIDERED AS EXPLORATORY AND INTERPRETED WITH CAUTION. 2014 12 388 60 BENEFITS OF THE RESTORATIVE EXERCISE AND STRENGTH TRAINING FOR OPERATIONAL RESILIENCE AND EXCELLENCE YOGA PROGRAM FOR CHRONIC LOW BACK PAIN IN SERVICE MEMBERS: A PILOT RANDOMIZED CONTROLLED TRIAL. OBJECTIVE: TO EXAMINE THE FEASIBILITY AND PRELIMINARY EFFECTIVENESS OF AN INDIVIDUALIZED YOGA PROGRAM. DESIGN: PILOT RANDOMIZED CONTROLLED TRIAL. SETTING: MILITARY MEDICAL CENTER. PARTICIPANTS: PATIENTS (N=68) WITH CHRONIC LOW BACK PAIN. INTERVENTIONS: RESTORATIVE EXERCISE AND STRENGTH TRAINING FOR OPERATIONAL RESILIENCE AND EXCELLENCE (RESTORE) PROGRAM (9-12 INDIVIDUAL YOGA SESSIONS) OR TREATMENT AS USUAL (CONTROL) FOR AN 8-WEEK PERIOD. MAIN OUTCOME MEASURES: THE PRIMARY OUTCOME WAS PAST 24-HOUR PAIN (DEFENSE & VETERANS PAIN RATING SCALE 2.0). SECONDARY OUTCOMES INCLUDED DISABILITY (ROLAND-MORRIS DISABILITY QUESTIONNAIRE) AND PHYSICAL FUNCTIONING AND SYMPTOM BURDEN (PATIENT-REPORTED OUTCOMES MEASUREMENT INFORMATION SYSTEM-29 SUBSCALES). ASSESSMENT OCCURRED AT BASELINE, WEEK 4, WEEK 8, 3-MONTH FOLLOW-UP, AND 6-MONTH FOLLOW-UP. EXPLORATORY OUTCOMES INCLUDED THE PROPORTION OF PARTICIPANTS IN EACH GROUP REPORTING CLINICALLY MEANINGFUL CHANGES AT 3- AND 6-MONTH FOLLOW-UPS. RESULTS: GENERALIZED LINEAR MIXED MODELS WITH SEQUENTIAL BONFERRONI-ADJUSTED PAIRWISE SIGNIFICANCE TESTS AND CHI-SQUARE ANALYSES EXAMINED LONGITUDINAL OUTCOMES. SECONDARY OUTCOME SIGNIFICANCE TESTS WERE BONFERRONI ADJUSTED FOR MULTIPLE OUTCOMES. THE RESTORE GROUP REPORTED IMPROVED PAIN COMPARED WITH THE CONTROL GROUP. SECONDARY OUTCOMES DID NOT RETAIN SIGNIFICANCE AFTER BONFERRONI ADJUSTMENTS FOR MULTIPLE OUTCOMES, ALTHOUGH A HIGHER PROPORTION OF RESTORE PARTICIPANTS REPORTED CLINICALLY MEANINGFULLY CHANGES IN ALL OUTCOMES AT 3-MONTH FOLLOW-UP AND IN SYMPTOM BURDEN AT 6-MONTH FOLLOW-UP. CONCLUSIONS: RESTORE MAY BE A VIABLE NONPHARMACOLOGICAL TREATMENT FOR LOW BACK PAIN WITH MINIMAL SIDE EFFECTS, AND RESEARCH EFFORTS ARE NEEDED TO COMPARE THE EFFECTIVENESS OF RESTORE DELIVERY FORMATS (EG, GROUP VS INDIVIDUAL) WITH THAT OF OTHER TREATMENT MODALITIES. 2018 13 2851 75 YOGA, PHYSICAL THERAPY, AND BACK PAIN EDUCATION FOR SLEEP QUALITY IN LOW-INCOME RACIALLY DIVERSE ADULTS WITH CHRONIC LOW BACK PAIN: A SECONDARY ANALYSIS OF A RANDOMIZED CONTROLLED TRIAL. BACKGROUND: POOR SLEEP IS COMMON AMONG ADULTS WITH CHRONIC LOW BACK PAIN (CLBP), BUT THE INFLUENCE OF CLBP TREATMENTS, SUCH AS YOGA AND PHYSICAL THERAPY (PT), ON SLEEP QUALITY IS UNDER STUDIED. OBJECTIVE: EVALUATE THE EFFECTIVENESS OF YOGA AND PT FOR IMPROVING SLEEP QUALITY IN ADULTS WITH CLBP. DESIGN: SECONDARY ANALYSIS OF A RANDOMIZED CONTROLLED TRIAL. SETTING: ACADEMIC SAFETY-NET HOSPITAL AND 7 AFFILIATED COMMUNITY HEALTH CENTERS. PARTICIPANTS: A TOTAL OF 320 ADULTS WITH CLBP. INTERVENTION: TWELVE WEEKLY YOGA CLASSES, 1-ON-1 PT SESSIONS, OR AN EDUCATIONAL BOOK. MAIN MEASURES: SLEEP QUALITY WAS MEASURED USING THE PITTSBURGH SLEEP QUALITY INDEX (PSQI) GLOBAL SCORE (0-21) AT BASELINE, 12 WEEKS, AND 52 WEEKS. ADDITIONALLY, WE ALSO EVALUATED HOW THE PROPORTION OF PARTICIPANTS WHO ACHIEVED A CLINICALLY MEANINGFUL IMPROVEMENT IN SLEEP QUALITY (> 3-POINT REDUCTION IN PSQI) AT 12 WEEKS VARIED BY CHANGES IN PAIN AND PHYSICAL FUNCTION AT 6 WEEKS. KEY RESULTS: AMONG PARTICIPANTS (MEAN AGE = 46.0, 64% FEMALE, 82% NON-WHITE), NEARLY ALL (92%) REPORTED POOR SLEEP QUALITY (PSQI > 5) AT BASELINE. AT 12 WEEKS, MODEST IMPROVEMENTS IN SLEEP QUALITY WERE OBSERVED AMONG THE YOGA (PSQI MEAN DIFFERENCE [MD] = - 1.19, 95% CONFIDENCE INTERVAL [CI] - 1.82, - 0.55) AND PT (PSQI MD = - 0.91, 95% CI - 1.61, - 0.20) GROUPS. PARTICIPANTS WHO REPORTED A >/= 30% IMPROVEMENT IN PAIN OR PHYSICAL FUNCTION AT 6 WEEKS, COMPARED WITH THOSE WHO IMPROVED < 10%, WERE MORE LIKELY TO BE A SLEEP QUALITY RESPONDER AT 12 WEEKS (ODDS RATIO [OR] = 3.51, 95% CI 1.73, 7.11 AND OR = 2.16, 95% CI 1.18, 3.95, RESPECTIVELY). RESULTS WERE SIMILAR AT 52 WEEKS. CONCLUSION: IN A SAMPLE OF ADULTS WITH CLBP, VIRTUALLY ALL WITH POOR SLEEP QUALITY PRIOR TO INTERVENTION, MODEST BUT STATISTICALLY SIGNIFICANT IMPROVEMENTS IN SLEEP QUALITY WERE OBSERVED WITH BOTH YOGA AND PT. IRRESPECTIVE OF TREATMENT, CLINICALLY IMPORTANT SLEEP IMPROVEMENTS AT THE END OF THE INTERVENTION WERE ASSOCIATED WITH MID-INTERVENTION PAIN AND PHYSICAL FUNCTION IMPROVEMENTS. TRIAL REGISTRATION: CLINICALTRIALS.GOV IDENTIFIER: NCT01343927. 2020 14 2560 77 YOGA FOR CHRONIC LOW BACK PAIN: A RANDOMIZED TRIAL. BACKGROUND: PREVIOUS STUDIES INDICATE THAT YOGA MAY BE AN EFFECTIVE TREATMENT FOR CHRONIC OR RECURRENT LOW BACK PAIN. OBJECTIVE: TO COMPARE THE EFFECTIVENESS OF YOGA AND USUAL CARE FOR CHRONIC OR RECURRENT LOW BACK PAIN. DESIGN: PARALLEL-GROUP, RANDOMIZED, CONTROLLED TRIAL USING COMPUTER-GENERATED RANDOMIZATION CONDUCTED FROM APRIL 2007 TO MARCH 2010. OUTCOMES WERE ASSESSED BY POSTAL QUESTIONNAIRE. (INTERNATIONAL STANDARD RANDOMISED CONTROLLED TRIAL NUMBER REGISTER: ISRCTN 81079604) SETTING: 13 NON-NATIONAL HEALTH SERVICE PREMISES IN THE UNITED KINGDOM. PATIENTS: 313 ADULTS WITH CHRONIC OR RECURRENT LOW BACK PAIN. INTERVENTION: YOGA (N = 156) OR USUAL CARE (N = 157). ALL PARTICIPANTS RECEIVED A BACK PAIN EDUCATION BOOKLET. THE INTERVENTION GROUP WAS OFFERED A 12-CLASS, GRADUALLY PROGRESSING YOGA PROGRAM DELIVERED BY 12 TEACHERS OVER 3 MONTHS. MEASUREMENTS: SCORES ON THE ROLAND-MORRIS DISABILITY QUESTIONNAIRE (RMDQ) AT 3 (PRIMARY OUTCOME), 6, AND 12 (SECONDARY OUTCOMES) MONTHS; PAIN, PAIN SELF-EFFICACY, AND GENERAL HEALTH MEASURES AT 3, 6, AND 12 MONTHS (SECONDARY OUTCOMES). RESULTS: 93 (60%) PATIENTS OFFERED YOGA ATTENDED AT LEAST 3 OF THE FIRST 6 SESSIONS AND AT LEAST 3 OTHER SESSIONS. THE YOGA GROUP HAD BETTER BACK FUNCTION AT 3, 6, AND 12 MONTHS THAN THE USUAL CARE GROUP. THE ADJUSTED MEAN RMDQ SCORE WAS 2.17 POINTS (95% CI, 1.03 TO 3.31 POINTS) LOWER IN THE YOGA GROUP AT 3 MONTHS, 1.48 POINTS (CI, 0.33 TO 2.62 POINTS) LOWER AT 6 MONTHS, AND 1.57 POINTS (CI, 0.42 TO 2.71 POINTS) LOWER AT 12 MONTHS. THE YOGA AND USUAL CARE GROUPS HAD SIMILAR BACK PAIN AND GENERAL HEALTH SCORES AT 3, 6, AND 12 MONTHS, AND THE YOGA GROUP HAD HIGHER PAIN SELF-EFFICACY SCORES AT 3 AND 6 MONTHS BUT NOT AT 12 MONTHS. TWO OF THE 157 USUAL CARE PARTICIPANTS AND 12 OF THE 156 YOGA PARTICIPANTS REPORTED ADVERSE EVENTS, MOSTLY INCREASED PAIN. LIMITATION: THERE WERE MISSING DATA FOR THE PRIMARY OUTCOME (YOGA GROUP, N = 21; USUAL CARE GROUP, N = 18) AND DIFFERENTIAL MISSING DATA (MORE IN THE YOGA GROUP) FOR SECONDARY OUTCOMES. CONCLUSION: OFFERING A 12-WEEK YOGA PROGRAM TO ADULTS WITH CHRONIC OR RECURRENT LOW BACK PAIN LED TO GREATER IMPROVEMENTS IN BACK FUNCTION THAN DID USUAL CARE. PRIMARY FUNDING SOURCE: ARTHRITIS RESEARCH UK. 2011 15 2596 76 YOGA FOR MILITARY VETERANS WITH CHRONIC LOW BACK PAIN: A RANDOMIZED CLINICAL TRIAL. INTRODUCTION: CHRONIC LOW BACK PAIN (CLBP) IS PREVALENT, ESPECIALLY AMONG MILITARY VETERANS. MANY CLBP TREATMENT OPTIONS HAVE LIMITED BENEFITS AND ARE ACCOMPANIED BY SIDE EFFECTS. MAJOR EFFORTS TO REDUCE OPIOID USE AND EMBRACE NONPHARMACOLOGICAL PAIN TREATMENTS HAVE RESULTED. RESEARCH WITH COMMUNITY CLBP PATIENTS INDICATES THAT YOGA CAN IMPROVE HEALTH OUTCOMES AND HAS FEW SIDE EFFECTS. THE BENEFITS OF YOGA AMONG MILITARY VETERANS WERE EXAMINED. DESIGN: PARTICIPANTS WERE RANDOMIZED TO EITHER YOGA OR DELAYED YOGA TREATMENT IN 2013-2015. OUTCOMES WERE ASSESSED AT BASELINE, 6 WEEKS, 12 WEEKS, AND 6 MONTHS. INTENTION-TO-TREAT ANALYSES OCCURRED IN 2016. SETTING/PARTICIPANTS: ONE HUNDRED AND FIFTY MILITARY VETERANS WITH CLBP WERE RECRUITED FROM A MAJOR VETERANS AFFAIRS MEDICAL CENTER IN CALIFORNIA. INTERVENTION: YOGA CLASSES (WITH HOME PRACTICE) WERE LED BY A CERTIFIED INSTRUCTOR TWICE WEEKLY FOR 12 WEEKS, AND CONSISTED PRIMARILY OF PHYSICAL POSTURES, MOVEMENT, AND BREATHING TECHNIQUES. MAIN OUTCOME MEASURES: THE PRIMARY OUTCOME WAS ROLAND-MORRIS DISABILITY QUESTIONNAIRE SCORES AFTER 12 WEEKS. PAIN INTENSITY WAS IDENTIFIED AS AN IMPORTANT SECONDARY OUTCOME. RESULTS: PARTICIPANT CHARACTERISTICS WERE MEAN AGE 53 YEARS, 26% WERE FEMALE, 35% WERE UNEMPLOYED OR DISABLED, AND MEAN BACK PAIN DURATION WAS 15 YEARS. IMPROVEMENTS IN ROLAND-MORRIS DISABILITY QUESTIONNAIRE SCORES DID NOT DIFFER BETWEEN THE TWO GROUPS AT 12 WEEKS, BUT YOGA PARTICIPANTS HAD GREATER REDUCTIONS IN ROLAND-MORRIS DISABILITY QUESTIONNAIRE SCORES THAN DELAYED TREATMENT PARTICIPANTS AT 6 MONTHS -2.48 (95% CI= -4.08, -0.87). YOGA PARTICIPANTS IMPROVED MORE ON PAIN INTENSITY AT 12 WEEKS AND AT 6 MONTHS. OPIOID MEDICATION USE DECLINED AMONG ALL PARTICIPANTS, BUT GROUP DIFFERENCES WERE NOT FOUND. CONCLUSIONS: YOGA IMPROVED HEALTH OUTCOMES AMONG VETERANS DESPITE EVIDENCE THEY HAD FEWER RESOURCES, WORSE HEALTH, AND MORE CHALLENGES ATTENDING YOGA SESSIONS THAN COMMUNITY SAMPLES STUDIED PREVIOUSLY. THE MAGNITUDE OF PAIN INTENSITY DECLINE WAS SMALL, BUT OCCURRED IN THE CONTEXT OF REDUCED OPIOID USE. THE FINDINGS SUPPORT WIDER IMPLEMENTATION OF YOGA PROGRAMS FOR VETERANS. TRIAL REGISTRATION: THIS STUDY IS REGISTERED AT WWW.CLINICALTRIALS.GOV NCT02524158. 2017 16 521 69 COMPARING YOGA, EXERCISE, AND A SELF-CARE BOOK FOR CHRONIC LOW BACK PAIN: A RANDOMIZED, CONTROLLED TRIAL. BACKGROUND: CHRONIC LOW BACK PAIN IS A COMMON PROBLEM THAT HAS ONLY MODESTLY EFFECTIVE TREATMENT OPTIONS. OBJECTIVE: TO DETERMINE WHETHER YOGA IS MORE EFFECTIVE THAN CONVENTIONAL THERAPEUTIC EXERCISE OR A SELF-CARE BOOK FOR PATIENTS WITH CHRONIC LOW BACK PAIN. DESIGN: RANDOMIZED, CONTROLLED TRIAL. SETTING: A NONPROFIT, INTEGRATED HEALTH CARE SYSTEM. PATIENTS: 101 ADULTS WITH CHRONIC LOW BACK PAIN. INTERVENTION: 12-WEEK SESSIONS OF YOGA OR CONVENTIONAL THERAPEUTIC EXERCISE CLASSES OR A SELF-CARE BOOK. MEASUREMENTS: PRIMARY OUTCOMES WERE BACK-RELATED FUNCTIONAL STATUS (MODIFIED 24-POINT ROLAND DISABILITY SCALE) AND "BOTHERSOMENESS" OF PAIN (11-POINT NUMERICAL SCALE). THE PRIMARY TIME POINT WAS 12 WEEKS. CLINICALLY SIGNIFICANT CHANGE WAS CONSIDERED TO BE 2.5 POINTS ON THE FUNCTIONAL STATUS SCALE AND 1.5 POINTS ON THE BOTHERSOMENESS SCALE. SECONDARY OUTCOMES WERE DAYS OF RESTRICTED ACTIVITY, GENERAL HEALTH STATUS, AND MEDICATION USE. RESULTS: AFTER ADJUSTMENT FOR BASELINE VALUES, BACK-RELATED FUNCTION IN THE YOGA GROUP WAS SUPERIOR TO THE BOOK AND EXERCISE GROUPS AT 12 WEEKS (YOGA VS. BOOK: MEAN DIFFERENCE, -3.4 [95% CI, -5.1 TO - 1.6] [P < 0.001]; YOGA VS. EXERCISE: MEAN DIFFERENCE, -1.8 [CI, -3.5 TO - 0.1] [P = 0.034]). NO SIGNIFICANT DIFFERENCES IN SYMPTOM BOTHERSOMENESS WERE FOUND BETWEEN ANY 2 GROUPS AT 12 WEEKS; AT 26 WEEKS, THE YOGA GROUP WAS SUPERIOR TO THE BOOK GROUP WITH RESPECT TO THIS MEASURE (MEAN DIFFERENCE, -2.2 [CI, -3.2 TO - 1.2]; P < 0.001). AT 26 WEEKS, BACK-RELATED FUNCTION IN THE YOGA GROUP WAS SUPERIOR TO THE BOOK GROUP (MEAN DIFFERENCE, -3.6 [CI, -5.4 TO - 1.8]; P < 0.001). LIMITATIONS: PARTICIPANTS IN THIS STUDY WERE FOLLOWED FOR ONLY 26 WEEKS AFTER RANDOMIZATION. ONLY 1 INSTRUCTOR DELIVERED EACH INTERVENTION. CONCLUSIONS: YOGA WAS MORE EFFECTIVE THAN A SELF-CARE BOOK FOR IMPROVING FUNCTION AND REDUCING CHRONIC LOW BACK PAIN, AND THE BENEFITS PERSISTED FOR AT LEAST SEVERAL MONTHS. 2005 17 2657 129 YOGA IN ADDITION TO STANDARD CARE FOR PATIENTS WITH HAEMATOLOGICAL MALIGNANCIES. BACKGROUND: HAEMATOLOGICAL MALIGNANCIES ARE MALIGNANT NEOPLASMS OF THE MYELOID OR LYMPHATIC CELL LINES INCLUDING LEUKAEMIA, LYMPHOMA AND MYELOMA. IN ORDER TO MANAGE PHYSICAL AND PSYCHOLOGICAL ASPECTS OF THE DISEASE AND ITS TREATMENT, COMPLEMENTARY THERAPIES LIKE YOGA ARE COMING INCREASINGLY INTO FOCUS. HOWEVER, THE EFFECTIVENESS OF YOGA PRACTICE FOR PEOPLE SUFFERING FROM HAEMATOLOGICAL MALIGNANCIES REMAINS UNCLEAR. OBJECTIVES: TO ASSESS THE EFFECTS OF YOGA PRACTICE IN ADDITION TO STANDARD CANCER TREATMENT FOR PEOPLE WITH HAEMATOLOGICAL MALIGNANCIES. SEARCH METHODS: OUR SEARCH STRATEGY INCLUDED THE COCHRANE CENTRAL REGISTER OF CONTROLLED TRIALS (CENTRAL), MEDLINE (1950 TO 4TH FEBRUARY 2014), DATABASES OF ONGOING TRIALS (CONTROLLED-TRIALS.COM; CLINICALTRIALS.GOV), CONFERENCE PROCEEDINGS OF THE AMERICAN SOCIETY OF CLINICAL ONCOLOGY, THE AMERICAN SOCIETY OF HEMATOLOGY, THE EUROPEAN HAEMATOLOGY ASSOCIATION, THE EUROPEAN CONGRESS FOR INTEGRATIVE MEDICINE, AND GLOBAL ADVANCES IN HEALTH AND MEDICINE. WE HANDSEARCHED REFERENCES OF THESE STUDIES FROM IDENTIFIED TRIALS AND RELEVANT REVIEW ARTICLES. TWO REVIEW AUTHORS INDEPENDENTLY SCREENED THE SEARCH RESULTS. SELECTION CRITERIA: WE INCLUDED RANDOMISED CONTROLLED TRIALS (RCTS) OF YOGA IN ADDITION TO STANDARD CARE FOR HAEMATOLOGICAL MALIGNANCIES COMPARED WITH STANDARD CARE ONLY. WE DID NOT RESTRICT THIS TO ANY SPECIFIC STYLE OF YOGA. DATA COLLECTION AND ANALYSIS: TWO REVIEW AUTHORS INDEPENDENTLY EXTRACTED DATA FOR ELIGIBLE STUDIES AND ASSESSED THE RISK OF BIAS ACCORDING TO PREDEFINED CRITERIA. WE EVALUATED DISTRESS, FATIGUE, ANXIETY, DEPRESSION AND QUALITY OF SLEEP. FURTHER OUTCOMES WE PLANNED TO ASSESS WERE HEALTH-RELATED QUALITY OF LIFE (HRQOL), OVERALL SURVIVAL (OS) AND ADVERSE EVENTS (AE), BUT DATA ON THESE WERE NOT AVAILABLE. MAIN RESULTS: OUR SEARCH STRATEGIES LED TO 149 POTENTIALLY RELEVANT REFERENCES, BUT ONLY A SINGLE SMALL STUDY MET OUR INCLUSION CRITERIA. THE INCLUDED STUDY WAS PUBLISHED AS A FULL TEXT ARTICLE AND INVESTIGATED THE FEASIBILITY AND EFFECT OF TIBETAN YOGA ADDITIONAL TO STANDARD CARE (N = 20; 1 PERSON DROPPED OUT BEFORE ATTENDING ANY CLASSES AND NO DATA WERE COLLECTED) COMPARED TO STANDARD CARE ONLY (N = 19). THE STUDY INCLUDED PEOPLE WITH ALL STAGES OF HODGKIN AND NON-HODGKIN'S LYMPHOMA, WITH AND WITHOUT CURRENT CANCER TREATMENT. THE MEAN AGE WAS 51 YEARS.WE JUDGED THE OVERALL RISK OF BIAS AS HIGH AS WE FOUND A HIGH RISK FOR PERFORMANCE, DETECTION AND ATTRITION BIAS. ADDITIONALLY, POTENTIAL OUTCOME REPORTING BIAS COULD NOT BE COMPLETELY RULED OUT. FOLLOWING THE RECOMMENDATIONS OF GRADE, WE JUDGED THE OVERALL QUALITY OF THE BODY OF EVIDENCE FOR ALL PREDEFINED OUTCOMES AS 'VERY LOW', DUE TO THE METHODICAL LIMITATIONS AND THE VERY SMALL SAMPLE SIZE.THE INFLUENCE OF YOGA ON HRQOL AND OS WAS NOT REPORTED. THERE IS NO EVIDENCE THAT YOGA IN ADDITION TO STANDARD CARE COMPARED WITH STANDARD CARE ONLY CAN IMPROVE DISTRESS IN PEOPLE WITH HAEMATOLOGICAL MALIGNANCIES (MEAN DIFFERENCE (MD) -0.30, 95% CONFIDENCE INTERVAL (CI) -5.55 TO 4.95; P = 0.91). SIMILARLY, THERE IS NO EVIDENCE OF A DIFFERENCE BETWEEN EITHER GROUP FOR FATIGUE (MD 0.00, 95% CI -0.94 TO 0.94; P = 1.00), ANXIETY (MD 0.30, 95% CI -5.01 TO 5.61; P = 0.91) OR DEPRESSION (MD -0.70, 95% CI -3.21 TO 1.81; P = 0.58).THERE IS VERY LOW QUALITY EVIDENCE THAT YOGA IMPROVES THE OVERALL QUALITY OF SLEEP (MD -2.30, 95% CI -3.78 TO -0.82; P = 0.002). THE YOGA GROUPS' TOTAL SCORE FOR THE PITTSBURGH SLEEP QUALITY INDEX (PSQI) WAS 5.8 (+/- 2.3 SD) AND BETTER THAN THE TOTAL SCORE (8.1 (+/- 2.4 SD)) OF THE CONTROL GROUP. A PSQI TOTAL SCORE OF 0 TO 5 INDICATES GOOD SLEEP WHEREAS PSQI TOTAL SCORE 6 TO 21 POINTS TOWARDS SIGNIFICANT SLEEP DISTURBANCES. THE OCCURRENCE OF AES WAS NOT REPORTED. AUTHORS' CONCLUSIONS: THE CURRENTLY AVAILABLE DATA PROVIDE LITTLE INFORMATION ABOUT THE EFFECTIVENESS OF YOGA INTERVENTIONS FOR PEOPLE SUFFERING FROM HAEMATOLOGICAL MALIGNANCIES. THE FINDING THAT YOGA MAY BE BENEFICIAL FOR THE PATIENTS' QUALITY OF SLEEP IS BASED ON A VERY SMALL BODY OF EVIDENCE. THEREFORE, THE ROLE OF YOGA AS AN ADDITIONAL THERAPY FOR HAEMATOLOGICAL MALIGNANCIES REMAINS UNCLEAR. FURTHER HIGH-QUALITY RANDOMISED CONTROLLED TRIALS WITH LARGER NUMBERS OF PARTICIPANTS ARE NEEDED TO MAKE A DEFINITIVE STATEMENT. 2014 18 1699 70 PARTICIPANT CHARACTERISTICS ASSOCIATED WITH SYMPTOMATIC IMPROVEMENT FROM YOGA FOR CHRONIC LOW BACK PAIN. CONTEXT: STUDIES SUGGEST THAT YOGA IS EFFECTIVE FOR MODERATE TO SEVERE CHRONIC LOW BACK PAIN (CLBP) IN DIVERSE PREDOMINANTLY LOWER SOCIOECONOMIC STATUS POPULATIONS. HOWEVER, LITTLE IS KNOWN ABOUT FACTORS ASSOCIATED WITH BENEFIT FROM THE YOGA INTERVENTION. OBJECTIVE: IDENTIFY FACTORS AT BASELINE INDEPENDENTLY ASSOCIATED WITH GREATER EFFICACY AMONG PARTICIPANTS IN A STUDY OF YOGA FOR CLBP. DESIGN: FROM SEPTEMBER-DECEMBER 2011, A 12-WEEK RANDOMIZED DOSING TRIAL WAS CONDUCTED COMPARING WEEKLY VS. TWICE-WEEKLY 75-MINUTE HATHA YOGA CLASSES FOR 95 PREDOMINANTLY LOW-INCOME MINORITY ADULTS WITH NONSPECIFIC CLBP. PARTICIPANT CHARACTERISTICS COLLECTED AT BASELINE WERE USED TO DETERMINE FACTORS BEYOND TREATMENT ASSIGNMENT (REPORTED IN THE INITIAL STUDY) THAT PREDICTED OUTCOME. WE USED BIVARIATE TESTING TO IDENTIFY BASELINE CHARACTERISTICS ASSOCIATED WITH IMPROVEMENT IN FUNCTION AND PAIN, AND INCLUDED SELECT FACTORS IN A MULTIVARIATE LINEAR REGRESSION. SETTING: RECRUITMENT AND CLASSES OCCURRED IN AN ACADEMIC SAFETY-NET HOSPITAL AND FIVE AFFILIATED COMMUNITY HEALTH CENTERS IN BOSTON, MASSACHUSETTS. PARTICIPANTS: NINETY-FIVE ADULTS WITH NONSPECIFIC CLBP, AGES RANGING FROM 20-64 (MEAN 48) YEARS; 72 WOMEN AND 23 MEN. OUTCOME MEASURES: PRIMARY OUTCOMES WERE CHANGES IN BACK-RELATED FUNCTION (MODIFIED ROLAND-MORRIS DISABILITY QUESTIONNAIRE, RMDQ; 0-23) AND MEAN LOW BACK PAIN INTENSITY (0-10) IN THE PREVIOUS WEEK, FROM BASELINE TO WEEK 12. RESULTS: ADJUSTING FOR GROUP ASSIGNMENT, BASELINE RMDQ, AGE, AND GENDER, FOREIGN NATIONALITY AND LOWER BASELINE SF36 PHYSICAL COMPONENT SCORE (PCS) WERE INDEPENDENTLY ASSOCIATED WITH IMPROVEMENT IN RMDQ. GREATER THAN HIGH SCHOOL EDUCATION LEVEL, CLBP LESS THAN 1 YEAR, AND LOWER BASELINE SF36 PCS WERE INDEPENDENTLY ASSOCIATED WITH IMPROVEMENT IN PAIN INTENSITY. OTHER DEMOGRAPHICS INCLUDING RACE, INCOME, GENDER, BMI, AND USE OF PAIN MEDICATIONS WERE NOT ASSOCIATED WITH EITHER OUTCOME. CONCLUSIONS: POOR PHYSICAL HEALTH AT BASELINE IS ASSOCIATED WITH GREATER IMPROVEMENT FROM YOGA IN BACK-RELATED FUNCTION AND PAIN. RACE, INCOME, AND BODY MASS INDEX DO NOT AFFECT THE POTENTIAL FOR A PERSON WITH LOW BACK PAIN TO EXPERIENCE BENEFIT FROM YOGA. 2014 19 1787 65 PREFERENCE AND EXPECTATION FOR TREATMENT ASSIGNMENT IN A RANDOMIZED CONTROLLED TRIAL OF ONCE- VS TWICE-WEEKLY YOGA FOR CHRONIC LOW BACK PAIN. BACKGROUND: IN STUDIES INVOLVING NONPHARMACOLOGICAL COMPLEMENTARY AND ALTERNATIVE MEDICINE INTERVENTIONS, PARTICIPANT BLINDING IS VERY DIFFICULT. PARTICIPANT EXPECTATIONS MAY AFFECT PERCEIVED BENEFIT OF THERAPY. IN STUDIES OF YOGA AS TREATMENT FOR CHRONIC LOW BACK PAIN, LITTLE IS KNOWN ABOUT THE RELATIONSHIP BETWEEN PATIENT EXPECTATIONS AND PREFERENCES ON OUTCOMES. THIS STUDY WAS DESIGNED TO IDENTIFY BASELINE PREDICTORS OF PREFERENCE AND TO DETERMINE IF EXPECTATIONS AND PREFERENCES FOR DIFFERENT DOSES OF YOGA AFFECT BACK-RELATED FUNCTION AND LOW BACK PAIN INTENSITY. METHODS: THIS WAS A SECONDARY DATA ANALYSIS OF A 12-WEEK RANDOMIZED CONTROLLED TRIAL COMPARING ONCE-WEEKLY VS TWICE-WEEKLY YOGA FOR TREATMENT OF CHRONIC LOW BACK PAIN IN 93 ADULTS FROM A PREDOMINANTLY LOW-INCOME MINORITY POPULATION. AT BASELINE, PARTICIPANTS WERE ASKED ABOUT BACK FUNCTION, BACK PAIN, TREATMENT EXPECTATIONS, AND TREATMENT PREFERENCES. WE CREATED A VARIABLE "CONCORDANCE" TO DESCRIBE THE MATCHING OF PARTICIPANT PREFERENCE TO RANDOMIZED TREATMENT. OUR OUTCOME VARIABLES WERE CHANGE IN BACK FUNCTION AND PAIN INTENSITY AFTER 12 WEEKS OF YOGA INSTRUCTION. WE PERFORMED LOGISTIC REGRESSION TO IDENTIFY PREDICTORS OF PREFERENCE FOR ONCE- OR TWICE-WEEKLY YOGA INSTRUCTION. WE CREATED LINEAR REGRESSION MODELS TO IDENTIFY INDEPENDENT ASSOCIATIONS BETWEEN EXPECTATIONS, PREFERENCE, CONCORDANCE, AND OUTCOMES. RESULTS: WORSE BACK FUNCTION AT BASELINE WAS ASSOCIATED WITH 20% HIGHER ODDS OF PREFERRING TWICE-WEEKLY YOGA (OR 1.2, CI 1.1, 1.3). INDIVIDUALS WITH HIGHER EXPECTATION SCORES FOR TWICE-WEEKLY YOGA HAD 90% HIGHER ODDS OF PREFERRING TWICE-WEEKLY VS ONCE-WEEKLY YOGA (OR 1.9, CI 1.3, 2.7). INDIVIDUALS WITH HIGHER EXPECTATION SCORES FOR ONCE-WEEKLY YOGA HAD 40% LESS ODDS OF PREFERRING TWICE-WEEKLY YOGA (OR 0.6, CI 0.5, 0.9). AFTER CONTROLLING FOR BASELINE CHARACTERISTICS, WE FOUND NO STATISTICALLY SIGNIFICANT RELATIONSHIP BETWEEN TREATMENT OUTCOMES, PREFERENCE, EXPECTATION SCORES, OR CONCORDANCE. CONCLUSION: IN A POPULATION OF PREDOMINANTLY LOW-INCOME MINORITY PARTICIPANTS WITH CHRONIC LOW BACK PAIN, WORSE BACK FUNCTION WAS ASSOCIATED WITH PREFERENCE FOR MORE FREQUENT YOGA CLASSES. THOSE WHO PREFERRED MORE YOGA CLASSES HAD HIGHER EXPECTATIONS FOR THOSE CLASSES. TWELVE-WEEK CHANGE IN BACK PAIN INTENSITY AND BACK FUNCTION WERE NOT AFFECTED BY DOSING PREFERENCE, EXPECTATION SCORE, OR CONCORDANCE. MORE RESEARCH IS NEEDED TO BETTER MEASURE AND QUANTIFY PREFERENCE, EXPECTATIONS, AND THEIR RELATIONSHIP TO OUTCOMES IN YOGA RESEARCH. 2015 20 193 65 A RANDOMIZED TRIAL COMPARING YOGA, STRETCHING, AND A SELF-CARE BOOK FOR CHRONIC LOW BACK PAIN. BACKGROUND: CHRONIC LOW BACK PAIN IS A COMMON PROBLEM LACKING HIGHLY EFFECTIVE TREATMENT OPTIONS. SMALL TRIALS SUGGEST THAT YOGA MAY HAVE BENEFITS FOR THIS CONDITION. THIS TRIAL WAS DESIGNED TO DETERMINE WHETHER YOGA IS MORE EFFECTIVE THAN CONVENTIONAL STRETCHING EXERCISES OR A SELF-CARE BOOK FOR PRIMARY CARE PATIENTS WITH CHRONIC LOW BACK PAIN. METHODS: A TOTAL OF 228 ADULTS WITH CHRONIC LOW BACK PAIN WERE RANDOMIZED TO 12 WEEKLY CLASSES OF YOGA (92 PATIENTS) OR CONVENTIONAL STRETCHING EXERCISES (91 PATIENTS) OR A SELF-CARE BOOK (45 PATIENTS). BACK-RELATED FUNCTIONAL STATUS (MODIFIED ROLAND DISABILITY QUESTIONNAIRE, A 23-POINT SCALE) AND BOTHERSOMENESS OF PAIN (AN 11-POINT NUMERICAL SCALE) AT 12 WEEKS WERE THE PRIMARY OUTCOMES. OUTCOMES WERE ASSESSED AT BASELINE, 6, 12, AND 26 WEEKS BY INTERVIEWERS UNAWARE OF TREATMENT GROUP. RESULTS: AFTER ADJUSTMENT FOR BASELINE VALUES, 12-WEEK OUTCOMES FOR THE YOGA GROUP WERE SUPERIOR TO THOSE FOR THE SELF-CARE GROUP (MEAN DIFFERENCE FOR FUNCTION, -2.5 [95% CI, -3.7 TO -1.3]; P < .001; MEAN DIFFERENCE FOR SYMPTOMS, -1.1 [95% CI, -1.7 TO -0.4]; P < .001). AT 26 WEEKS, FUNCTION FOR THE YOGA GROUP REMAINED SUPERIOR (MEAN DIFFERENCE, -1.8 [95% CI, -3.1 TO -0.5]; P < .001). YOGA WAS NOT SUPERIOR TO CONVENTIONAL STRETCHING EXERCISES AT ANY TIME POINT. CONCLUSION: YOGA CLASSES WERE MORE EFFECTIVE THAN A SELF-CARE BOOK, BUT NOT MORE EFFECTIVE THAN STRETCHING CLASSES, IN IMPROVING FUNCTION AND REDUCING SYMPTOMS DUE TO CHRONIC LOW BACK PAIN, WITH BENEFITS LASTING AT LEAST SEVERAL MONTHS. TRIAL REGISTRATION: CLINICALTRIALS.GOV IDENTIFIER: NCT00447668. 2011