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Sung Soo Kim 3 Articles
Reliability of Quadruplicated Serological Parameters in the Korean Genome and Epidemiology Study
Jae Jeong Yang, Ji Hyun Yang, Jimin Kim, Lisa Y. Cho, Boyoung Park, Seung Hyun Ma, Sang Hoon Song, Won-Ki Min, Sung Soo Kim, Man Suck Park, Sue K. Park
Epidemiol Health. 2011;33:e2011004.   Published online May 19, 2011
DOI: https://doi.org/10.4178/epih/e2011004
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  • 9 Citations
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Abstract
OBJECTIVES

The aim of this study was to evaluate whether clinical test values from different laboratories in the Korean Genome and Epidemiology Study (KoGES) can be integrated through a statistical adjustment algorithm with appropriate intra- and inter-laboratory reliability.

METHODS

External quality control data were obtained from the Korean Society for Laboratory Medicine and quadruplicated standardized serological samples (N=3,200) were manufactured in order to check the intra- and inter-laboratory reliability for aspartic acid transaminase (AST), alanine transaminase (ALT), gamma-glutamyl transpeptidase (γ-GTP), blood urea nitrogen (BUN), creatinine, uric acid (UA), fasting blood sugar (FBS), cholesterol, and triglyceride (TG). As an index of inter- and intra-rater reliability, Pearson's correlation coefficient, intraclass correlation coefficients and kappa statistics were estimated. In addition, to detect the potential for data integration, we constructed statistical compensation models using linear regression analysis with residual analysis, and presented the R-square values.

RESULTS

All correlation coefficient values indicated good intra- and inter-laboratory reliability, which ranged from 0.842 to 1.000. Kappa coefficients were greater than 0.75 (0.75-1.00). All of the regression models based on the trial results had strong R-square values and zero sums of residuals. These results were consistent in the regression models using external quality control data.

CONCLUSION

The two laboratories in the KoGES have good intra- and inter-laboratory reliability for ten chemical test values, and data can be integrated through algorithmic statistical adjustment using regression equations.

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  • Healthful Plant-Based Diet and Incidence of Type 2 Diabetes in Asian Population
    Jihye Kim, Edward Giovannucci
    Nutrients.2022; 14(15): 3078.     CrossRef
  • Urinary Sodium-to-Potassium Ratio and Incident Chronic Kidney Disease
    Young Su Joo, Hyung Woo Kim, Jong Hyun Jhee, Seung Hyeok Han, Tae-Hyun Yoo, Shin-Wook Kang, Jung Tak Park
    Mayo Clinic Proceedings.2022; 97(12): 2259.     CrossRef
  • Association between Different Types of Plant-Based Diets and Risk of Dyslipidemia: A Prospective Cohort Study
    Kyueun Lee, Hyunju Kim, Casey M. Rebholz, Jihye Kim
    Nutrients.2021; 13(1): 220.     CrossRef
  • Dietary Micronutrients and Risk of Chronic Kidney Disease: A Cohort Study with 12 Year Follow-Up
    Juyeon Lee, Kook-Hwan Oh, Sue-Kyung Park
    Nutrients.2021; 13(5): 1517.     CrossRef
  • Association between Unhealthful Plant-Based Diets and Possible Risk of Dyslipidemia
    Sujin Song, Kyueun Lee, Soim Park, Nara Shin, Hyunju Kim, Jihye Kim
    Nutrients.2021; 13(12): 4334.     CrossRef
  • Secondhand Smoke and CKD
    Jong Hyun Jhee, Young Su Joo, Youn Kyung Kee, Su-Young Jung, Seohyun Park, Chang-Yun Yoon, Seung Hyeok Han, Tae-Hyun Yoo, Shin-Wook Kang, Jung Tak Park
    Clinical Journal of the American Society of Nephrology.2019; 14(4): 515.     CrossRef
  • Association between Dietary Mineral Intake and Chronic Kidney Disease: The Health Examinees (HEXA) Study
    Jeewoo Kim, Juyeon Lee, Kyoung-Nam Kim, Kook-Hwan Oh, Curie Ahn, Jongkoo Lee, Daehee Kang, Sue Park
    International Journal of Environmental Research and Public Health.2018; 15(6): 1070.     CrossRef
  • Upper Normal Serum Creatinine Concentrations as a Predictor for Chronic Kidney Disease: Analysis of 14 Years’ Korean Genome and Epidemiology Study (KoGES)
    Jong Jhee, Seun Hwang, Joon Song, Seoung Lee
    Journal of Clinical Medicine.2018; 7(11): 463.     CrossRef
  • Dairy Product Intake Is Inversely Associated with Metabolic Syndrome in Korean Adults: Anseong and Ansan Cohort of the Korean Genome and Epidemiology Study
    Hyehyung Shin, Yeong Sook Yoon, Yoonna Lee, Cho-il Kim, Sang Woo Oh
    Journal of Korean Medical Science.2013; 28(10): 1482.     CrossRef
Correlation between YMCA step-test and maximum oxygen consumption (VO2max) as measurement tools for cardiorespiratory.
On Lee, Sung Soo Kim, Yeon Soo Kim, Hyun Jin Son, Yu Mi Kim, Bo Youl Choi
Korean J Epidemiol. 2008;30(1):73-81.   Published online June 30, 2008
DOI: https://doi.org/10.4178/kje.2008.30.1.73
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  • 3 Citations
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Abstract
The purpose of this study is to determine that YMCA step-test is useful method of cardiovascular fitness field-test for large scale study of epidemiology. 57 adults participated in this study. They are recruited considering subject's clinic status and gender proportion. Cardiorespiratory fitness of each participant was determined by grade exercise testing(GXT) with gas analysis and YMCA step-test. There are at least more two days an interval between the tests. Data were analyzed with a statistics program, SPSS version 14.0, by applying Spearman correlation coefficient and independent t-test and Fisher's exact test with a statistical significant level of alpha<.05. The results of this study were as followed. VO2max value exhibited significant correlation with YMCA step test scale(male : r =-.611, p=.001 ; female: r=-.656, p>.001). Our result is that validity of YMCA step-test is acceptable. YMCA step test is vary efficient as dimension of investigator's and subject's effort then the other field-test for assessment of cardiorespiratory. Therefore, Step test is useful for large scale study of epidemiology.
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  • Test-Retest Reliability of Home-Based Fitness Assessments Using a Mobile App (R Plus Health) in Healthy Adults: Prospective Quantitative Study
    I-I Lin, You-Lin Chen, Li-Ling Chuang
    JMIR Formative Research.2021; 5(12): e28040.     CrossRef
  • Effects of 12 weeks of high intensity circuit training on abdominal fat, physical fitness, blood lipids, and insulin resistance in middle-aged obese women
    Won-Beom Park, Hyun-Seok Cho, Man-Gyoon Lee
    Korean Journal of Sport Science.2019; 30(2): 236.     CrossRef
  • Cardiopulmonary Fitness Is Independently Associated with Insulin Resistance in Non-Diabetes Mellitus Patients of a University Hospital in Korea
    Eun-Hye Jun, Bo-Yoon Choi, Duk-Chul Lee, Ji-Won Lee, Jee-Yon Lee
    Korean Journal of Family Medicine.2013; 34(2): 139.     CrossRef
Epiderniologic Characteristics and Trends of Leptospirosis in Korea by Literature Review.
Sung Soo Kim, Joung Soon Kim
Korean J Epidemiol. 1994;16(1):66-83.
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Abstract
In order to understand the epidemiologic characteristics and trends of Leptespirosis in Korea, year book of acute infectious disease and literatures published were thoroughly reviewed. The results obtained are as follows: 1. The outbreak of Leptospirosis in Korea has decreased during recent years. Most of the patients occured in Semptember, October, and November. Seventy nine percent of reported patients occured in north Choongchung, south Choongchung, and Kyunggi province in 1987-1991. 2. Leptospires isolation rates were ranged from 0.2% to 16.0% among normal healthy person, higher in rural residents than military personnels. 3. Total of 92 strains were isolated from human in six years from 1984 to 1990. Its main serogroups were Icterhaemorrhagiae and Canicola, predominantly consisted of serovar lai, copenhageni and canicola. Eighteen strains of Biflexa were also isolated from healthy persons and patients. 4. The proportion of Leptospirosis among patients with acute febrile episode has decreased since 1985. Sero-positive rate of male among patients with acute febrile episode is higher than that of female. Sixty percent of sero-positive patients with acute febrile episode was older than 40-year of age. The seropositive rates were consistently the highest in harvest season than other seasons. Residents of north Choongchung, north Chunlla, south Chunlla, Kyunggi, and north Choongchung provinces showed higher seropositive rates than those of other ones. Main serogroups positive to most sera of Koreans were Icterohaemorrhagiae and Canicola. 5. The sero-positive rate of normal healthy persons ranged from 2.0 to 25. 6% ; the sero-positive rate of rural area was 4 to 8 times higher than that of healthy urban people. Little difference was observed in sero-positive rate by age group among above 40 years old people, although it was higher in male by sex, in farmers by occupation and in some provinces by area.
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