Conducting a hospital-based case-control study of the relationship between vasectomy and cardiovascular disease in Korea--an experience in an Asian setting.
An increasing number of case-control studies are being performed in the developing world. This paper describes the difficulties and advantages the author has experienced in conducting a hospital-based case-control study in the Republic of Korea testing the hypothesis of whether vasectomy is associated with subsequent cardiovascular disease. This experience should provide a useful reference for researchers planning studies using a similar approach in an Asian setting.
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Family Health International, Research Triangle Park, NC 27709.
D000328:Adult; D001208:Asia; D015982:Bias; D002318:Cardiovascular Diseases / Q000453:epidemiology* / Q000209:etiology; D016022:Case-Control Studies; D006801:Humans; D007723:Korea / Q000453:epidemiology; D008297:Male; D008875:Middle Aged; D012107:Research Design; D014659:Vasectomy