| Author, Year | “A priori” design provided? | Duplicate study selection and data abstraction?
| Comprehensive literature search performed? | Non-English language studies considered for inclusion? | Conducted searches for unpublished (gray) literature? | List of included studies provided? | List of excluded studies provided with reasons? | Characteristics of the included studies provided? | Scientific quality of included studies:
| Sensitivity analyses or stratified analyses conducted according to study quality? | Study conclusions supported by the evidence? (Was study quality considered in the synthesis?) | Conflict of interest stated?
| Multidisciplinary systematic review team? | Quality Rating |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bystrom, 2013 | Yes | a. Yes; b. no | >2 databases through October 2011; no mention of “plus” sources | No | Not stated | Yes | No | Yes |
| No; no information on heterogeneity provided | Yes |
| Unclear | Fair |
| Oesch, 2010 | Yes | a. Yes; b. No | Yes, >2 databases through Aug 2008; checked refs | No | Not stated | Yes | No | Yes |
| Metaregresion-NS Effect of specific exercise characteristics; sensitivity by study quality; funnel plot | Yes |
| Yes | Fair |
| van Middelkoop, 2010 | Yes | a. Yes; b. Yes | Data bases through 2008 for CLBP only; unclear if additional sources | Cite Cochrane Back group strategy used - assume no restriction? | Cite Cochrane Back group strategy used - assume so? | Not explicitly; references provided | No | No |
| No | Yes |
| Unclear | Fair |
Please see Appendix C. Included Studies for full study references.
From: Appendix F, Quality Assessment
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