Weighted event rates | |||||
---|---|---|---|---|---|
Trials | Number of trials | Programme | Control | RRI (95% CI) | NNH (CI) |
*Abbreviations defined in glossary; weighted event rates, RRI, NNH, and CI calculated from data in article using a random effects model. | |||||
All | 7 | 38% | 27% | 33% (3 to 71) | 10 (6 to 40) |
Excluding trial with randomisation problems | 6 | 36% | 29% | 22% (2 to 46) | 16 (8 to 250) |
Excluding trial with potential for large attrition | 6 | 44% | 30% | 43% (4 to 96) | 8 (5 to 24) |