Table 3 Risk of bias assessments by domain (N = 300)
Domain | Risk of bias assessments - N (%) | ||
|---|---|---|---|
| Â | High | Unclear | Low |
Sequence generation | 8 (2.7%) | 143 (47.7%) | 149 (49.7%) |
Allocation concealment | 8 (2.7%) | 217 (72.3%) | 75 (25.0%) |
Blinding | 41 (13.7%) | 108 (36.0%) | 151 (50.3%) |
Incomplete data | 60 (20.0%) | 53 (17.7%) | 187 (62.3%) |
Selective reporting | 48 (16.0%) | 6 (2.0%) | 246 (82.0%) |
"Other" sources of bias | 85 (28.3%) | 109 (36.3%) | 106 (35.3%) |