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데이터마이닝 기법을 이용한 효율적인 DRG 확인심사대상건 검색방법
이중규,조민우,박기동,이무송,이상일,김창엽,김용익,홍두호,Lee, Jung-Kyu,Jo, Min-Woo,Park, Ki-Dong,Lee, Moo-Song,Lee, Sang-Il,Kim, Chang-Yup,Kim, Yong-Ik,Hong, Du-Ho 대한예방의학회 2003 Journal of Preventive Medicine and Public Health Vol.36 No.2
Objectives : 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 peformed 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.
국민건강면접조사를 이용한 한국인의 DALE (Disability-Adjusted Life Expectancy)에 관한 연구
이중규,도영경,윤석준,김창엽,김용익,신영수,권영훈,Lee, Jung-Kyu,Do, Young-Kyung,Yoon, Seok-Jun,Kim, Chang-Yup,Kim, Yong-Ik,Shin, Young-Soo,Kwon, Young-Hoon 대한예방의학회 2002 Journal of Preventive Medicine and Public Health Vol.35 No.4
Objectives : 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. Results : 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.
정범석(Jung Beom-Seok),이석민(Lee Suk-Min),이중규(Lee Jung-Kyu) 한국구조물진단유지관리학회 2003 한국구조물진단학회 학술발표회논문집 Vol.- No.-
The Impact-Echo technique, based on an analysis of the transient response of structures in the frequency domain, has been applied successfully to several kinds of fault search techniques for concrete. However, the Impact-Echo technique may sometimes result in the low reliability. In this paper, the reliability of the Impact-Echo technique was investigated through the numerical simulation studies for the concrete slab. The finite element method, using the impact responses of the concrete slab with the implanted flaws, were also carried out to gain an understanding of the transient wave propagation properties.
정범석 ( Jung Beom-seok ),이석민 ( Lee Suk-min ),이중규 ( Lee Jung-kyu ) 한국구조물진단유지관리공학회 2003 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.7 No.1
The Impact-Echo technique, based on an analysis of the transient response of structures in the frequency domain, has been applied successfully to several kinds of fault search techniques for concrete. However, the Impact-Echo technique may sometimes result in the low reliability. In this paper, the reliability of the Impact-Echo technique was investigated through the numerical simulation studies for the concrete slab. The finite element method, using the impact responses of the concrete slab with the implanted flaws, were also carried out to gain an understanding of the transient wave propagation properties.
한국인 질병의 장애가중치 측정에 관한 연구 : 호주 장애가중치와의 측정 결과 비교를 중심으로 -
윤석준,이중규,권영훈,이상일,김창엽,박기동,김용익,신영수,도영경,Yoon, Seok-Jun,Lee, Jung-Kyu,Kwon, Young-Hoon,Lee, Sang-Il,Kim, Chang-Yup,Park, Ki-Dong,Kim, Yong-Ik,Shin, Young-Soo,Do, Young-Kyung 대한예방의학회 2004 예방의학회지 Vol.37 No.1
Objectives: 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 ($r_s$=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 differ ences was the highest in injuries of GBD disease groups, and in cardiovascular disease, injuries, and malignant neoplasm of the Korean disease category. Conclusions : 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.
윤석준,도영경,권영훈,김창엽,박기동,김용익,신영수,이중규,Yoon, Seok-Jun,Do, Young-Kyung,Kwon, Young-Hoon,Kim, Chang-Yup,Park, Ki-Dong,Kim, Yong-Ik,Shin, Young-Soo,Lee, Jung-Kyu 대한예방의학회 2003 예방의학회지 Vol.36 No.2
Objectives : 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 sfudy. 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.
김용익,윤석준,이진용,이희영,박종혁,신영수,이중규,Kim, Yong-Ik,Yoon, Seok-Jun,Lee, Jin-Yong,Lee, Hee-Young,Park, Jong-Hyock,Shin, Young-Soo,Lee, Jung-Kyu 대한예방의학회 2005 예방의학회지 Vol.38 No.2
Objectives: 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.