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采用以医院为基础的配比病例对照研究方法，探讨了缺血性脑卒中的主要危险因素，并初步估计和分析了缺血性脑卒中的归因危险度和人群归因危险度。结果表明高血压、TIA、糖尿病、打鼾、父母卒中史、吸烟和饮酒的归因危险度分别为92．73％、91．67％、80．00％、67．31％、84．62％、41．46％和51．72％。以上7种因素的人群归因危险度分别为58．18％、32．35％、7．84％、42．89％、10．78％、21．14％和15．72％。提示在一般人群中控制高血压、TIA、糖尿病、打鼾、吸烟和饮酒时预防缺血性脑卒中具有重要的卫生学意义。
A hospital-based case-control study was conducted to explore the major risk factors for ischemic stroke and to estimate and analyze the risk attribution and the risk of population atypical ischemic stroke. The results showed that the risk of attribution of hypertension, TIA, diabetes, snoring, parental stroke history, smoking and drinking were 92.73%, 91.67%, 80.00%, 67.31%, 84.62% 41.46% and 51.72%. The risk of attribution of the above seven factors was 58.18%, 32.35%, 7.84%, 42.89%, 10.78%, 21.14% and 15.72%, respectively. This suggests that it is of important hygienic significance to prevent ischemic stroke in hypertensive, TIA, diabetes, snoring, smoking and alcohol consumption in the general population.