ArticleBMC public health2025
Temporal and geospatial patterns of hepatitis C virus prevalence: a longitudinal examination using national health insurance service data in the Republic of Korea (2005-2022).
Article in BMC public health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Area deprivation and hepatitis C infection in Korea: a multilevel case-control study using the National Health Insurance Database.BMJ public health · 2026Article
- Normal liver enzymes do not indicate safety from alcohol-related liver disease: evidence from a Korean nationwide cohort.Epidemiology and health · 2026Article
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2 authors.
Funding
Abstract
backgroundViral hepatitis, recognized as a significant global public health threat by the World Health Organization (WHO), has spurred efforts to establish elimination goals by 2030. In Republic of Korea (Korea), the prevalence of Hepatitis C virus (HCV) infection exhibits significant regional disparities, necessitating tailored infection control measures at the regional level. This study aimed to analyze the HCV prevalence trend by area (region/town) in Korea, from 2005 to 2022, and identify the areas requiring priority management.
methodsA comprehensive analysis of HCV prevalence trends across different geographical regions and towns from 2005 to 2022 was conducted. Using data from the National Health Insurance Service, individuals diagnosed with acute or chronic HCV during this period were included in the analysis. HCV prevalence was adjusted by area, year, sex, and age. Additionally, trends in annual percent changes (APC) and average APC (AAPC) in HCV prevalence were examined using Joinpoint regression analysis.
resultsAge, sex, and region adjusted HCV prevalence per 100,000 people declined from 151 in 2005 to 98 in 2022. During the 18 years, the highest HCV prevalence was recorded in the southern regions of Korea (Busan, Jeonnam, and Gyeongnam) and in the towns of Namhae-gun of Gyeongnam, Boeun-gun of Chungbuk, and Sunchang-gun of Jeonbuk. The age-, sex-, and region-adjusted annual HCV prevalence decreased significantly at an APC of -2.5% (95% confidence interval [CI]: -3.5, -1.4) and AAPC of -2.7% (95%CI: -4.3, -1.0). By town, the prevalence decreased the most in Boeun-gun of Chungbuk (AAPC: -23.7%; 95%CI: -30.2, -16.5) and increased the most in Gunwi-gun of Gyeongbuk (AAPC: 3.0%; 95%CI: 1.1, 4.9).
conclusionsOver 18 years, a notable decline in HCV prevalence was observed in Korea, although this trend exhibited regional disparities. To effectively achieve the WHO hepatitis elimination goals by 2030, targeted interventions should prioritize areas with persistent or emerging prevalence.
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