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Korean Journal of Preventive Medicine 2001;34(2): 157-165.
Risk Factors for Cerebrovascular Disorders in Koreans.
Jong Ku Park, Ki Soon Kim, Chun Bae Kim, Tae Yong Lee, Duk Hee Lee, Kwang Wook Koh, Kang Sook Lee, Sun Ha Jee, Il Suh, So Yeon Ryu, Kee Ho Park
Department of Preventive Medicine, Yonsei University Wonju College of Medicine.
ABSTRACT
OBJECTIVES: To identify the risk factors of cerebrovascular disorders(CVD) in Koreans using a nested case-control study. METHODS: The cohort consisted of beneficiaries who had taken health examinations of the Korea Medical Insurance Corporation (KMIC cohort: 115,600 persons) in 1990 and 1992 consecutively. Four hundred and twenty five (425) cases were selected following the validation of diagnosis among 2,026 reported CVD (I60-I68) inpatients during the year from 1993 to 1997. Controls were matched (1:1) with age and gender of the cases among inpatients without CVD during the same period. The source of data in this study were the files of the 1990 health examinations and the 1992 health questionnaires, as well as an additional telephone survey undertaken from March to November 1999. RESULTS: In a bivariate analysis and multiple logistic regression analysis, risk factors for total CVD were hyperglycemia and hypertension. Unrespectively, the odds ratio of ex-smoker was significantly lower than that of those who had never smoked. The risk factors for ischemic CVD also were hyperglycemia and hypertension. However, only blood pressure was found to be a risk factor for hemorrhagic CVD. Hypercholesterolemia was not a risk factor for total CVD, ischemic CVD, and hemorrhagic CVD. CONCLUSION: We concluded that the most important risk factor for CVD (including subtype) in Koreans was hypertension.
Key words: Risk factors; Cerebrovascular Disorders; Case-control studies; Insurance benefits; Korea
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