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Clin Mol Hepatol > Epub ahead of print
Trends in the prevalence of chronic liver disease in the Korean adult population, 1998–2017
Seung Ha Park1, Lindsay D. Plank2, Ki Tae Suk3, Yong Eun Park1, Jin Lee1, Joon Hyuk Choi1, Nae Yun Heo1, Jongha Park1, Tae Oh Kim1, Young Soo Moon1, Hyun Kuk Kim1, Hang Jea Jang1, Ha Young Park4, Dong Joon Kim3,5
1Department of Internal Medicine, Inje University Haeundae Paik-Hospital, Inje University College of Medicine, Busan, Korea
2Department of Surgery, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
3Department of Internal Medicine, Hallym University College of Medicine; Chuncheon, Korea
4Department of Emergency Medicine, Inje University Haeundae PaikHospital, Inje University College of Medicine, Busan, Korea
5Institute for Liver and Digestive Diseases, Hallym University, Chuncheon, Korea
Correspondence :  Dong Joon Kim ,
Tel: +82-33-240-5646, Fax: +82-33-241-8064, Email: djkim@hallym.ac.kr
Received: July 18, 2019  Revised: August 30, 2019   Accepted: September 2, 2019
Data on the trends in the prevalence of chronic liver disease (CLD) in Korea are scarce. This study aimed to evaluate whether the CLD prevalence changed between 1998–2001 and 2016–2017. Data were extracted from the Korea National Health and Nutrition Examination Survey (1998–2001 to 2016–2017; n=25,893). Non-alcoholic fatty liver disease (NAFLD) was defined as a hepatic steatosis index >36 in the absence of any other evidence of CLD. The definition of alcoholrelated liver disease (ALD) was excessive alcohol consumption (≥210 g/week for men and ≥140 g/week for women) and an ALD/NAFLD index >0. The prevalence of NAFLD increased from 18.6% (95% confidence interval [CI], 17.8–19.5%) in 1998–2001 to 21.5% (95% CI, 20.6–22.6%) in 2016–2017. During the same time period, increases were observed in the prevalence of obesity (27.0 vs. 35.1%), central obesity (29.4 vs. 36.0%), diabetes (7.5 vs. 10.6%), and excessive drinking (7.3 vs.10.5%). ALD prevalence also increased from 3.8% (95% CI, 3.4–4.2%) to 7.0% (95% CI, 6.4–7.6%). In contrast, chronic hepatitis B decreased from 5.1% (95% CI, 4.6–5.5%) to 3.4% (95% CI, 3.0–3.8%). The prevalence of chronic hepatitis C was approximately 0.3% in 2016–2017. The prevalence of NAFLD and ALD increase among Korean adults. Our results suggest potential targets for interventions to reduce the future burden of CLD.
KeyWords: Alcoholic-related liver disease; Hepatitis B, Chronic; Hepatitis C, Chronic; Non-alcoholic fatty liver disease; Prevalence
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