Dipyridamole plus aspirin (combination) or dipyridamole alone v control (including placebo) at 24–72 months*
| Outcome | Number of trials (n) | Comparisons | RRR (95% CI) | NNT (CI) |
|---|---|---|---|---|
| *Abbreviations defined in glossary; RRR, NNT, and CI calculated from odds ratio (adjusted for trial, age, sex, qualifying event [ischaemic stroke or transient ischaemic attack], and history of hypertension) in article. | ||||
| Fatal and non-fatal stroke | 4 (10 146) | Combination v control | 36% (27 to 46) | 24 (19 to 32) |
| 1 (6602) | Dipyridamole v control | 16% (0 to 29) | 53 (29 to ∞) | |