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Stroke Incidence among White, Black, and Hispanic Residents of an Urban Community
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The Northern Manhattan Stroke Study
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The average annual age-adjusted incidence rate for stroke among residents aged 20 years or more in
northern Manhattan was greater for blacks and Hispanics than for whites (223 per 100,000 population for blacks, 196 for Hispanics, and 93 for whites) (figure 3). Among men, blacks and Hispanics had a twofold increase in age-adjusted relative risk of stroke as compared with whites. Among women, blacks and Hispanics were also found to have at least twice the incidence rates of stroke as whites (relative risk (RR) = 2.8 and 2.1, respectively).
There were racial/ethnic differences in the mean age of stroke incidence, which was highest
among whites (mean age = 75.6 ± 13.3 years), intermediate for blacks (69.3 ± 13.7), and lowest among
Hispanics (63.2 ± 14.7).
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