Table IV.
Cochrane risk-of-bias assessment of randomized controlled trials
| Authors | Random sequence generation | Allocation concealment | Selective reporting | Other sources of bias | Blinding of participants and personnel | Blinding of outcome assessment | Incomplete outcome data |
|---|---|---|---|---|---|---|---|
| Edwards et al,16 2010 | Low | Low | Low | Low | Unclear | Unclear | High |
| Gascoyne et al,22 2017 | Low | Low | Low | Low | Low | Low | High |
| Nuttall et al,40 2007 | Unclear | Unclear | Low | High | Unclear | Unclear | High |
| Rahme et al,43 2009 | Low | Low | Low | Low | Unclear | Low | High |