• J. Korean Med. Sci. · Apr 2023

    Relevance Index Regional Variation by Each Disease and Its Essential Medical Field: A Retrospective Data Analysis From 2016-2020 in Korea.

    • Young-Eun Kim, Jeehee Pyo, Haneul Lee, HyeRan Jeong, Young-Kwon Park, Jeong-Wook Seo, Minsu Ock, and Seok-Jun Yoon.
    • Department of Big Data Strategy, National Health Insurance Service, Wonju, Korea.
    • J. Korean Med. Sci. 2023 Apr 24; 38 (16): e130e130.

    BackgroundTo precisely build a healthcare delivery system at regional levels, local patients' healthcare service utilization patterns must be examined. Hence, this study utilized trend analysis of the relevance index of each disease of each essential medical service field at the municipal and provincial levels.MethodsThis study analyzed customized databases released by the National Health Insurance Service from 2016-2020. Diseases defined in the Korean National Burden of Disease (KNBD) study were categorized into the following essential medical service fields: trauma care, cardiocerebrovascular, maternal and neonatal, mental health, infection, cancer, older adults' care and rehabilitation, and others. Relevance index, the percentage of medical service utilization in a region by the residents of that region relative to their total medical service utilization, was examined by region (17 municipal and provincial regions) and disease area. The relevance index was determined based on the number of patients and the total out-of-pocket expenses.ResultEight of the 17 regions showed over a 90.0% relevance index in the infection area. In the cancer area, 14 regions (not including Seoul, Daegu, and Busan) had a relevance index lower than 75.0%. Throughout the analysis period (2016-2020), there were no significant variations in the relevance index. Diseases such as bone and connective tissue cancer (39.0%), neural tube defects (16.7%), and autism (57.1%) had low relevance index in the essential medical service fields. In all 17 regions, the relevance index of inpatients was lower than that of outpatients, and that for out-of-pocket expenses was lower than that based on the number of patients.ConclusionThe relevance index of major diseases of each essential medical service field calculated in this study can provide good indicators for monitoring the level of an independent regional healthcare delivery system.© 2023 The Korean Academy of Medical Sciences.

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