Abstract: ObjectiveTo explore the prevalence and risk factors of ischemic stroke in Qingdao and to provide scientific evidence for intervention planning and clinical prevention program.MethodsA retrospective case-control study was conducted.From September 2007 to September 2009,two hundred and sixty five ischemic stroke patients(40-70 years old) first admitted in Qingdao Municipal Hospital were selected as case group;other 265 normal subjects(40-70 years old)who accepted physical examination in Physical Examination Center of Qingdao Municipal Hospital were randomly selected as control group.The information on hypertension,cardiopathy,diabetes,hyperlipidemia,hyperuricemia,overweight,smoking, and alcohol drinking were investigated and recorded.The data were analyzed with SPSS 13.0.ResultsExposure rates of all 8 risk factors in case group were obviously higher than those of control group(odds ratio=1.428,7.422,5.055,4.886, 3.139,1.487,3.274,and 1.800;P<0.05 for all).The contents of total cholesterol,triglyceride and serum uric acid in case group were also higher than those in the control group(P<0.01).The ratio of heavy smokers in case group was higher than that of control group(P<0.01).ConclusionThe prevalences of risk factors of ischemia stroke are high among the population of Qingdao area.