Gyu Jang Lee

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BACKGROUND To describe the rationale, objectives, protocol, and preliminary results for a new prospective cohort study of cardiovascular disease (CVD) risk factors in South Korea. METHODS Study members were recruited from participants in routine health assessments at health promotion centres across South Korea. Established and emerging CVD risk factors(More)
OBJECTIVE The objectives of this study were to develop a coronary heart disease (CHD) risk model among the Korean Heart Study (KHS) population and compare it with the Framingham CHD risk score. DESIGN A prospective cohort study within a national insurance system. SETTING 18 health promotion centres nationwide between 1996 and 2001 in Korea. (More)
Physical activity has been shown to reduce colorectal cancer risk. However, the association of physical activity levels separately with colon and rectum cancer mortality is less clear. We included 226 089 Korean in a large prospective cohort study. We assessed the associations of physical activity levels (length, frequency, and intensity) with colon and(More)
BACKGROUND Both serum lipids and renal dysfunction are well-known risk factors for cardiovascular diseases. Little data are, however, available on the relation of serum lipids and glomerular filteration rates (GFRs) with low levels of serum cholesterol in Asian populations. METHODS We performed a large cross-sectional study of 93 228 Korean men and women(More)
Fast growing demands of health screening services give not only the new business opportunities to health care organization, but also hyper competition in health screening services due to rapid market entrance. The health screening centers attempt to implement RFID technologies. To fulfill the expected effect, however, a properly designed workflow which is(More)
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