Clopidogrel v aspirin for stroke, myocardial infarction, or peripheral arterial disease and previous cardiac surgery‡
| Outcomes/year | Clopidogrel | Aspirin | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| ‡Abbreviations defined in glossary; RRR, NNT, and CI provided by author. | ||||
| §Primary combined end point = vascular death, myocardial infarction, and stroke. | ||||
| Primary combined end point§ | 5.8% | 9.1% | 36% (13 to 53) | 30 (21 to 82) |
| Vascular death | 2.0% | 3.3% | 43% (5 to 66) | 71 (46 to 659) |
| Myocardial infarction | 2.4% | 3.9% | 39% (2 to 62) | 66 (41 to 1070) |
| Admission to hospital | 36% | 48% | 22% (9 to 33) | 10 (6 to 24) |