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Vol. 25, No. 1, 2005
Issue release date: June 2005
Neuroepidemiology 2005;25:26–31

Risk of Hemorrhagic Stroke in Asian American Ethnic Groups

Klatsky A.L. · Friedman G.D. · Sidney S. · Kipp H. · Kubo A. · Armstrong M.A.
aKaiser Permanente Medical Care Program, Oakland, Calif., and bMailman School of Public Health, Columbia University, New York, N.Y., USA

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The sparseness of prospective data about hemorrhagic stroke (HS) risk among Asian American ethnic groups led to the investigation of 128,934 persons with self-classified ethnicity at health examinations in 1978–1985. Subsequently, 431 persons were hospitalized for HS; 31% for subarachnoid hemorrhage (SAH) and 69% for intracerebral hemorrhage (ICH). Ethnic predictors of HS were studied by Cox proportional hazard models with 7 covariates. With whites as reference, the adjusted relative risk (95% CI) of all Asians for HS was 1.6 (1.1–2.3, p = 0.01), due substantially to increased risks of SAH in Japanese people and ICH in Filipinos. These data mandate emphasis upon preventive measures in these groups.

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