Weighted event rates | |||||
---|---|---|---|---|---|
Patients | Number of trials (n) | Statins | Control | RRR (95% CI) | NNT (CI) |
*CHD = coronary heart disease; other abbreviations defined in glossary. RRR, NNT, and CI calculated from data in article using a random effects model. Patients in 6 of the 29 statin trials could not be classified as having or not having CHD because 10–90% of patients had CHD. | |||||
With and without CHD | 29 (93 399) | 3.2% | 3.6% | 18% (10 to 24) | 220 (140 to 504) |
With CHD | 17 (25 718) | 2.6% | 3.2% | 25% (13 to 35) | 190 (112 to 634) |
Without CHD | 6 (19 567) | 1.4% | 1.9% | 23% (5 to 38) | 159 (129 to 1667) |