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Nature Reviews Cardiology 6, 448–450 (1 July 2009) | doi:10.1038/nrcardio.2009.98

Stroke: Atrial fibrillation, stroke prevention therapy and aging

J. David Spence

In the Framingham study, risk of ischemic stroke attributable to atrial fibrillation increased from 1.5% at age 50–59, to 23.5% at age 80–89.