Weighted event rates | |||||
---|---|---|---|---|---|
Outcomes at 10–15 years | Number of studies | Screening | Control | RRI 95% (CI) | NNH (CI) |
*Abbreviations defined in glossary; weighted event rates, RRI, NNH, and CI calculated from data in article. | |||||
Breast cancer mortality | 2 | 0.16% | 0.15% | 5% (−10 to 24) | Not significant |
Biopsies with benign results | 2 | 1.7% | 0.94% | 88% (77 to 99) | 130 (119 to 140) |