Endocrinology and Metabolism

Original Article

Diabetes, obesity and metabolism Big Data Articles (National Health Insurance Service Database)
Associations of Alcohol Consumption with All-Cause and Cancer Mortalities in Patients with Type 2 Diabetes Mellitus: A Nationwide Population Cohort Study: Da Yeon Lee, Sun-Joon Moon, Kyung-Do Han, Ji-Hee Ko, Han-na Jang, Hye-Mi Kwon, Se-Eun Park, Eun-Jung Rhee, Won-Young Lee; Endocrinol Metab. 2025;40(6):893-903. Published online July 14, 2025; DOI: https://doi.org/10.3803/EnM.2024.2275

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Background
To investigate the impact of alcohol consumption on all-cause and cancer mortalities in patients with type 2 diabetes (T2D).
Methods
This nationwide cohort study included Korean patients with T2D aged >20 years from a national health exams cohort (2009 to 2012). Participants were categorized based on alcohol consumption: non, mild (<30 g/day), and heavy drinkers (≥30 g/day). Primary outcomes were all-cause and cancer mortality rates. Cox proportional hazard regression analyses were used to calculate adjusted hazard ratios (aHRs) with a 95% confidence interval (CI) with adjustments for age, sex, body mass index, smoking, exercise, comorbidities, diabetes duration, and medications.
Results
Among 2,642,359 participants (median follow-up, 7.8 years), 57.2%, 32.7%, and 10.1% were non, mild, and heavy drinkers, respectively. Compared to non-drinkers, mild alcohol consumption was associated with reduced all-cause mortality (aHR, 0.81; 95% CI, 0.80 to 0.82) and cancer mortality (aHR, 0.88; 95% CI, 0.86 to 0.89), while heavy drinking increased both all-cause (aHR, 1.06; 95% CI, 1.04 to 1.07) and cancer mortalities (aHR, 1.09; 95% CI, 1.06 to 1.11). Subgroup analyses revealed variations: in chronic kidney disease and older age groups, heavy drinkers showed lower risk of all-cause mortality compared to non-drinkers. Regarding cancer mortality, younger and middle-aged groups showed protective effects of alcohol even for heavy drinkers, while females showed linear association between alcohol consumption and cancer mortality.
Conclusion
This study indicates a J-shaped relationship between alcohol consumption and all-cause and cancer mortality risk in patients with T2D, with variations across subgroups. These findings suggest the need for personalized recommendations considering individual risk factors.

Citations

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Alcohol and the endocrine system: A critical review of disruptions, potential mechanisms, and health implications
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Alcohol, Clinical and Experimental Research.2026;[Epub] CrossRef
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Brief Report

Diabetes, obesity and metabolism
Characteristics of Metabolic Dysfunction-Associated Steatotic Liver Disease and Its Risk for Hepatic Fibrosis in 476,124 Korean Adults: A Cross-Sectional Study: Da Yeon Lee, Ji-Hee Ko, Han-Na Jang, Sun Joon Moon, Hye-Mi Kwon, Se Eun Park, Cheol-Young Park, Won-Young Lee, Ki-Won Oh, Eun-Jung Rhee; Endocrinol Metab. 2025;40(4):648-652. Published online March 27, 2025; DOI: https://doi.org/10.3803/EnM.2024.2281

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103 Download
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Abstract PDF Supplementary Material PubReader ePub

As the new terminology of metabolic dysfunction-associated steatotic liver disease (MASLD) and MASLD with increased alcohol intake (MetALD) has emerged, the clinical significance of MASLD is increasing. This cross-sectional study analyzed 476,124 health checkup participants (2002–2022) to compare hepatic fibrosis risks across MASLD, MetALD, non-alcoholic fatty liver disease (NAFLD), and metabolic dysfunction-associated fatty liver disease (MAFLD). Steatotic liver was identified via ultrasonography, and fibrosis risk was assessed using aspartate aminotransferase to platelet ratio index and NAFLD fibrosis score. The prevalence of NAFLD, MAFLD, MASLD, and MetALD was 30.1%, 32.3%, 29.8%, and 3.0%, respectively, with a 27.9% overlap among three conditions. Participants with steatotic liver were predominantly male, with higher glucose, lipids, liver enzymes, and homeostasis model assessment of insulin resistance levels. Three disease definitions largely overlapped, with MASLD and NAFLD being very similar, while participants with MAFLD and MetALD showed increased fibrosis risk (clinical trial registration number: 2024-11-050).

Citations

Citations to this article as recorded by

Associations between steatotic liver disease subtypes and incident diabetes in young Korean adults: A nationwide cohort study
Goh Eun Chung, Su Jong Yu, Jeayeon Park, Yoon Jun Kim, Jung‐Hwan Yoon, Kyungdo Han, Eun Ju Cho
Diabetes, Obesity and Metabolism.2026; 28(3): 1947. CrossRef
Epidemiology and characteristics of obesity in Koreans based on the 2024 Obesity Fact Sheet
Eun-Jung Rhee
Journal of the Korean Medical Association.2026; 69(1): 4. CrossRef
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BMJ Open Gastroenterology.2026; 13(1): e002123. CrossRef
Distinct Laboratory and Clinical Features of Metabolic and Alcohol-Related Liver Disease (MetALD): A Systematic Review and Meta-Analysis
Maria Tampaki, Vasileios Lekakis, Christos Chologkitas, Stergios Α. Polyzos, Evangelos Cholongitas
Current Obesity Reports.2026;[Epub] CrossRef
Nationwide Big Data Studies of Endocrine Diseases Using the Korean National Health Information Database: Research Trends and Standardization of Operational Definitions
Sun Wook Cho, Jung Hee Kim, Kyoung Jin Kim, Beom-Jun Kim, Mee Kyoung Kim, Eun Jung Rhee
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Global epidemiology of metabolic and alcohol-associated liver disease: risk factors, natural history and clinical implications
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Nature Reviews Gastroenterology & Hepatology.2026;[Epub] CrossRef

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