Population
91 patients with nonrheumatic atrial fibrillation from a teaching hospital clinic
Design
Cohort
Follow-up
355 person-years
Authors
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Prior events, age >75, or SBP >160 mm Hg flag higher stroke risk in nonrheumatic AF; supports risk stratification but leaves clinical adoption open.
In patients with nonrheumatic atrial fibrillation, prior embolic events, age >75 years, and systolic blood pressure >160 mm Hg are significant predictors of future stroke and embolic events.
Flegel et al. (1989) studied this question.
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