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Blinding of study contributors of included RCTs
| Study contributor | Blinded | Not blinded | Not reported |
|---|---|---|---|
| Patients | 120 (23%) | 172 (33%) | 235 (44%) |
| Physicians | 83 (16%) | 249 (47%) | 195 (37%) |
| Data collectors | 123 (23%) | 56 (11%) | 348 (66%) |
| Outcome assessors | 140 (27%) | 53 (10%) | 334 (63%) |
| Statisticians | 37 (7%) | 9 (2%) | 481 (91%) |
