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Incidence rate of cerebral stroke in graded mean RDW quartiles.
| RDW | Cerebral stroke (n, %) | Cerebral infarction (n, %) | Cerebral hemorrhage (n, %) |
|---|---|---|---|
| First quartile | 10 (9.0%) | 6 (5.4%) | 4 (3.6%) |
| Second quartile | 14 (11.4%) | 10 (8.1%) | 4 (3.3%) |
| Third quartile | 16 (12.6%) | 10 (7.9%) | 6 (4.7%) |
| Fourth quartile | 22 (17.0%) | 15 (11.6%) | 7 (5.4%) |
| p value | .002 | .008 | .177 |
