Aspirin plus dipyridamole v aspirin alone to prevent vascular events after minor cerebral ischaemia*
| Outcomes at mean 3.5 years | Aspirin + dipyridamole | Aspirin alone | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| *Abbreviations defined in glossary; RRR, NNT, and CI calculated from hazard ratios in article. †Death from all vascular causes, stroke, myocardial infarction, or major bleeding event. | ||||
| Composite end point†| 13% | 16% | 19% (2 to 32) | 35 (20 to 347) |
| Death from all vascular causes or stroke | 10% | 12% | 21% (3 to 36) | 39 (23 to 287) |
| All vascular events | 11% | 14% | 21% (3 to 35) | 35 (21 to 257) |