Of the 183,291 total participants, 10,561 experienced a stroke during the study period, of which 8,220 were ischemic strokes and 1,142 were hemorrhagic strokes. The average age at baseline was 65 years, 53% were women, and 82% were Caucasian. The median time of follow up was 14.3 years.
The amount of omega-3 fatty acids was measured in the blood and tissue among all participants and divided in quintiles. The incidence of stroke was then compared among each quintile grouping.
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