Table 1.
Validity questions | 1. Research question | 2. Subject selection | 3. Study groups | 4. Handling withdrawals | 5. Blinding | 6. Intervention description | 7. Outcome measures | 8. Statistical analysis | 9. Conclusion | 10. Funding/sponsorship | Quality |
---|---|---|---|---|---|---|---|---|---|---|---|
Study | |||||||||||
Randomised controlled trials | |||||||||||
Bliddal et al. (25) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Unclear | Yes | Positive |
Christensen et al. (26) | Yes | Yes | Yes | Yes | Unclear | Yes | Yes | Yes | Unclear | Yes | Positive |
Hughes et al. (33) | Unclear | Yes | Yes | Yes | Unclear | Yes | Yes | Yes | Yes | Yes | Positive |
Magrans-Courtney et al. (27) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Unclear | Yes | Positive |
Messier et al.(28) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Unclear | Yes | Positive |
Messier et al.(9) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Positive |
Miller et al.(30) | Yes | Yes | Yes | Yes | Unclear | Yes | Yes | Yes | Yes | Yes | Positive |
O’Brien et al.(32) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Positive |
Somers et al.(16) | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes | Unclear | Neutral |
Uncontrolled clinical trials | |||||||||||
Aaboe et al.(17) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Yes | Yes | Neutral |
Atukorala et al.(18) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Yes | Unclear | Neutral |
Bartels et al.(19) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Yes | Yes | Neutral |
de Luis et al.(20) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Yes | Unclear | Neutral |
Henriksen et al.(21) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Unclear | Unclear | Neutral |
López Gómez et al.(24) | Yes | Yes | No | Yes | N/A | Yes | Yes | Unclear | Yes | Unclear | Neutral |
Martin et al.(22) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Yes | Yes | Neutral |
Messier et al.(29) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Unclear | Yes | Positive |
Paans et al.(23) | Yes | Yes | No | Yes | N/A | Yes | Yes | Yes | Yes | Yes | Neutral |
Riecke et al.(31) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Unclear | No | Positive |