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Risk for any stroke according to the number of microbleeds
| Number of microbleeds | Number of patients | Number of patients with any stroke | Crude HR (95% CI) | HR adjusted for age and sex (95% CI) |
|---|---|---|---|---|
| 0 | 349 | 21 | ref | ref |
| 1 | 29 | 3 | 1.8 (0.5 to 6.1) | 1.5 (0.5 to 5.2) |
| >1 | 19 | 4 | 3.9 (1.3 to 11.4) | 3.5 (1.2 to 10) |
