From: Risk of bias assessment of sequence generation: a study of 100 systematic reviews of trials
Sequence generation ROB judgement of randomised trials | High ROB | Low ROB | Unclear ROB |
---|---|---|---|
Cochrane reviewsa | 8 (0.8%) | 462 (47.0%) | 514 (52.2%) |
Non-Cochrane review using Cochrane ROB toolb | 80 (5.8%) | 751 (54.6%) | 545 (39.6%) |