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Stroke subtype rates by treatment
| Type | Aspirin (4,032.8 PY) events |
Warfarin (4,044.7 PY) events |
p value |
|---|---|---|---|
| Definite cardioembolic | 22 (0.55) | 9 (0.22) | 0.012 |
| Noncardioembolic | 6 (0.15) | 5 (0.12) | 0.768 |
| Possible cardioembolic | 27 (0.67) | 15 (0.37) | 0.063 |
| Total | 55 (1.36) | 29 (0.72) | 0.003 |
Figures in parentheses indicate the rate per 100 PY. For p values, exact conditional binomial test for 2 independent Poisson variables, stratified by prior ischemic stroke or transient ischemic attack.
