Yonsei University · Medicine
Professor Sang Baek Koh's research lab specializes in health outcomes assessment and clinical epidemiology, with a focus on patient-reported outcomes and musculoskeletal disorders in chronic disease populations. The lab investigates the reliability and validity of health-related quality of life instruments, such as the SF-36, and explores the prevalence and risk factors of specific complications in patients with diabetes, particularly trigger digits. Research directions include health survey methodology, chronic disease management, and the identification of clinical and demographic predictors for musculoskeletal conditions in diabetic patients. The lab combines survey-based research with clinical data analysis to improve patient-centered outcomes and inform public health strategies.
Figures are computed from collected data and may differ slightly.
In order to test scaling assumption, and to assess the validity, reliability, and acceptability of the Short form 36(SF-36) health survey questionnaire, we conducted a survey. Samples were 296 workers who had been employed in small sized companies. All scale passed for item internal consistency(100% sucess rate) and item discriminant validity(100% success .ate). Reliability coefficients were ranged from the lowest 0.51 to the highest of 0.85. For 87.5% of the total workers, inconsistent response
The purpose of this study was to investigate the incidence and characteristics of trigger digits in patients with diabetes. A questionnaire about trigger digit was completed by 544 patients with diabetes. Ten percent of the patients had a history of trigger digits and 4% had multiple digit involvement. The risk was significantly higher in insulin-dependent patients. The average duration of diabetes was significantly longer in the multiple digit group. Independently, the medical records of 132 tr
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