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Relative incidence (RI) and 95% confidence interval (CI) for death after hemorrhagic stroke by risk period
| Risk period (days) | Events | RI | 95 % CI |
|---|---|---|---|
| Control period | 134 | 1.00 | |
| 0 to 4 days | 495 | 8.44 | (5.76, 12.4) |
| 5 to 9 days | 169 | 3.44 | (2.38, 4.96) |
| 10 to 14 days | 84 | 2.06 | (1.43, 2.96) |
| 15 to 19 days | 45 | 1.31 | (0.89, 1.94) |
