Table 5 The changes in the overall bias from the original risk of bias judgement to our assessment
From: Tolerating bad health research (part 2): still as many bad trials, but more good ones too
Reduction in risk of bias | No. of times judgement was different to original (n = 49) | Percentage |
High to unclear | 14 | 29 |
Unclear to low | 9 | 18 |
High to low | 5 | 10 |
Increase in risk of bias | No. of times judgement was different to original (n = 49) | Percentage |
Low to unclear | 3 | 6 |
Unclear to high | 14 | 29 |
Low to high | 4 | 8 |