Stroke Risk Factors and Outcomes Among Various Asian Ethnic Groups in Singapore

Data on interethnic differences in the Asian stroke population are limited. We evaluated the relationships among various cardiovascular risk factors, stroke subtypes, and outcomes in a multiethnic Singaporean population comprising consecutive ischemic stroke patients presenting to our tertiary center over a 1-year period. Strokes were classified based on criteria used in the Trial of Org 10172 in Acute Stroke Treatment (TOAST). Functional independence at hospital discharge was defined as a modified Rankin Scale (mRS) score of 0-2. The ethnic distribution of the study population (n = 481; mean age, 64.1 ± 11.9 years) was 74% Chinese, 17% Malay, and 9% Indian. The prevalence of risk factors was similar in the 3 ethnic groups except for diabetes (Chinese, 39.8%; Malay, 67.5%; Indian, 52.3%; P P