|Variable adjusted for||Number of patients with dementia (N)||Hazard ratio (95% CI)|
|*N = total number of cases plus controls with information available on the status of each vascular risk factor; ABI = atherothrombotic brain infarct; CE = cardioembolic. CI defined in glossary.|
|†Adjusted for age, sex, and education in addition to listed variable.|
|None: crude risk||158 (1272)||2.2 (1.5 to 3.1)|
|Age, sex, and education||153 (1239)||2.0 (1.4 to 2.9)|
|Apolipoprotein E ε4 genotype status†||92 (801)||2.8 (1.7 to 4.4)|
|Stroke type (hemisphere, ABI/CE)†||153 (1239)||2.0 (1.4 to 2.9)|
|Second stroke†||153 (1239)||2.0 (1.4 to 2.9)|
|Second stroke and stroke risk factors (hypertension, diabetes, atrial fibrillation, current smoking)†||114 (844)||2.4 (1.6 to 3.7)|
Having a stroke increased the risk of developing dementia in older people
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