| Author, Year | Randomization | Concealed Treatment Allocation | Baseline Group Similarity | Patient Blinded | Care Provider Blinded | Outcome Assessor / Data Analyst Blinded | Cointerventions Avoided or Similar | Compliance Acceptable in All Groups | Attrition Reported | Attrition Acceptable | Timing of Outcome Assessment in All Groups Similar | Intention-to-Treat Analysis | Is There a Registered or Published Protocol | Avoidance of Selective Outcomes Reporting | Quality Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nambi, 2014 | Yes | Unclear | Yes | No | Unclear | Unclear | Unclear | Unclear | Yes | Yes | Yes | Yes | No | unclear | Poor |
| Saper, 2013 | Yes | Unclear | No (But adjusted estimates for baseline differences were essentially the same as crude estimates) | No | Unclear | Yes | Yes use of other treatments overall: 53% (26/47) vs.. 61% (28/44); similar % for massage, PH, acupuncture, chiropractic, epidural injections | No; attendance: 65% for once weekly class, 44% for twice weekly classes | Yes | Yes | Yes | Yes | Yes | Yes | Fair |
Please see Appendix C. Included Studies for full study references.
From: Appendix F, Quality Assessment
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