- Estimating the Burden of Diseases due to High Alcohol Consumption in Korea.
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Jung Kyu Lee, Yong Ik Kim, Seok Jun Yoon, Jin Yong Lee, Heeyoung Lee, Jong Hyock Park, Youngsoo Shin
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J Prev Med Public Health. 2005;38(2):175-181.
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This study estimated the burden of disease due to high alcohol consumption using DALY, a composite indicator recently developed by the Global Burden of Disease study group. The results were analyzed by age and sex. METHODS: Firstly, high alcohol consumption-related diseases, and their relative risk (RR), were selected. Secondly, population attributable fractions (PAFs) were computed using formulae, including the relative risk (RR) and prevalence of exposure (Pe). Thirdly, the DALYs of high alcohol consumption-related diseases were estimated. Lastly, the attributable burdens of diseases due to high alcohol consumption wereconcluded as being the sum of the products that multiplied the DALYs of high alcohol consumption-related diseases by their population attributable fraction (PAF). RESULTS: The burden of high alcohol consumption in Korea was 2992.3 person years (PYs) per 100, 000 persons in men, and 1426.6 in women. For men, the high alcohol consumption-induced diseases with the five biggest burdens were liver cirrhosis, hypertensive disease, liver cancer, cerebral infarction and intracerebral hemorrhage. For women, these were cerebral infarction, intracerebral hemorrhage, hypertensive disease, liver cirrhosis and liver cancer. CONCLUSION: This study highlighted the attributable fraction of diseases due to exposure to high alcohol consumption, by quantifying the results of exposure to risk factors. Therefore, it is now possible to assess interventions for risk factors in quantifiable terms in each population. Finally, measuring the risk factor burdens was expected to contribute to priority setting and effective resource allocation in public health policy.
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- Disability Weights for the Korean Burden of Disease Study: Focused on Comparison with Disability Weights in the Australian Burden of Disease Study.
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Young Kyung Do, Seok Jun Yoon, Jung Kyu Lee, Young Hoon Kwon, Sang Il Lee, Changyup Kim, Kidong Park, Yong Ik Kim, Youngsoo Shin
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J Prev Med Public Health. 2004;37(1):59-71.
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This study aimed to measure the disability weights for the Korean Burden of Disease study, and to compare them with those adopted in the Australian study to examine the validity and describe the distinctive features. METHODS: The standardized valuation protocol was developed from the Global Burden of Disease (GBD) study and the Dutch Disability Weights study. Disability weights were measured for 123 diseases of the Korean version of Disease Classification by three panels of 10 medical doctors each. Then, overall distribution, correlation coefficients, difference by each disease, and mean of differences by disease group were analyzed for comparison of disability weights between the Korean and Australian studies. RESULTS: Korean disability weights ranged from 0.037 to 0.927. While the rank correlation coefficient was moderate to high (rs=0.68), Korean disability weights were higher than the corresponding Australian ones in 79.7% of the 118 diseases. Of these, war, leprosy, and most injuries showed the biggest differences. On the contrary, many infectious and parasitic diseases comprised the greater part of diseases of which Korean disability weights were lower. The mean of the differences was the highest in injuries of GBD disease groups, and in cardiovascular disease, injuries, and malignant neoplasm of the Korean disease category. CONCLUSION: Korean disability weights were found to be valid on the basis of overall distribution pattern and correlation, and are expected to be used as basic data for broadening the scope of burden of disease study. However, some distinctive features still remain to be explored in following studies.
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- Disability Weights for Diseases in Korea.
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Jung Kyu Lee, Seok Jun Yoon, Young Kyung Do, Young Hoon Kwon, Chang Yup Kim, Kidong Park, Yong Ik Kim, Young Soo Shin
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Korean J Prev Med. 2003;36(2):163-170.
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This study aimed to develop an evaluation protocol of disability weights using person trade-off, and to test the reliability of the developed protocol in a Korean context. METHODS: To develop the valuation protocol, the Global Burden of Disease (GBD) and the Dutch studies were replicated and modified. Sixteen indicator conditions were selected from the Korean version of disease classification, which was based on that of the GBD Study, and the person trade-off method referred to the Dutch method. RESULTS: The disability weights were valued in a two step panel study. The first step was a carefully designed group process by three panels, using person trade-off to establish the disability weights for sixteen selected indicator conditions. The second step consisted of interpolation of the remaining diseases, on a disability scale, by the individual members of three panels. The members of three panels were all medical doctors, with sufficient knowledge of the consequences of a broad variety of diseases. The internal consistency of the Korean disability weights was satisfactory. Considerable agreement existed within each panel and among the panels. CONCLUSIONS: It was feasible to use a modified evaluation protocol from those used in GBD and Dutch studies. This would provide a rational basis for an international comparative study of disability weights.
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- Efficient DRG Fraud Candidate Detection Method Using Data Mining Techniques.
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Duho Hong, Jung Kyu Lee, Min Woo Jo, Kidong Park, Sang Il Lee, Moo Song Lee, Chang Yup Kim, Yong Ik Kim
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Korean J Prev Med. 2003;36(2):147-152.
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To develop a Diagnosis-Related Group (DRG) fraud candidate detection method, using data mining techniques, and to examine the efficiency of the developed method. METHODS: The study included 79, 790 DRGs and their related claims of 8 disease groups (Lens procedures, with or without, vitrectomy, tonsillectomy and/or adenoidectomy only, appendectomy, Cesarean section, vaginal delivery, anal and/or perianal procedures, inguinal and/or femoral hernia procedures, uterine and/or adnexa procedures for nonmalignancy), which were examined manually during a 32 months period. To construct an optimal prediction model, 38 variables were applied, and the correction rate and lift value of 3 models (decision tree, logistic regression, neural network) compared. The analyses were performed separately by disease group. RESULTS: The correction rates of the developed method, using data mining techniques, were 15.4 to 81.9%, according to disease groups, with an overall correction rate of 60.7%. The lift values were 1.9 to 7.3 according to disease groups, with an overall lift value of 4.1. CONCLUSIONS: The above findings suggested that the applying of data mining techniques is necessary to improve the efficiency of DRG fraud candidate detection.
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- Study of Disability-Adjusted Life Expectancy(DALE) Using National Health Interview Survey in Korea.
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Young Hoon Kwon, Jung Kyu Lee, Young Kyung Do, Seok Jun Yoon, Chang Yup Kim, Yong Ik Kim, Young Soo Shin
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Korean J Prev Med. 2002;35(4):331-339.
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To measure DALE (Disability-Adjusted Life Expectancy) in Korea to find out how long Koreans live in a state of full heath. METHODS: DALE was calculated using the life table of 1999 and the disability prevalence from the National Health Interview Survey (NHIS), which was conducted with a sample of 13,523 households in 1998. The disability prevalence was measured using the annual prevalence of the long-term limitation of activities, which were divided into classes 1, 2, 3, 4, 5 and 6 according to the severity of the limitation. The disability weights were measured for each 6 class by conducting a survey of 16 healthcare professionals. The severity-adjusted disability prevalence was calculated by multiplying the disability prevalence of each class by the disability weights respectively. Healthy life years lost due to disability was calculated by multiplying the life expectancy by the severity-adjusted disability prevalence. Finally DALE was measured as the life expectancy minus healthy life years lost due to disability. RESUJLTS: DALE for 1999, which refers to the expectation of equivalent years of good health, were 72.5, 69.5 and 75.3 years, for total, for males and for females, respectively. The percentages for DALE out of the life expectancy were 95.8, 96.6 and 94.4% for total, for males and for females, respectively. CONCLUSIONS: DALE is a newly developed indicator, which could effectively show the healthy life expectancy of populations. A greater notice and use of DALE would be expected as life expectancies increase and the quality of life changes in Korea.
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