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KMID : 0356620150300040522
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Journal of Korean Society of Endocrinology
2015 Volume.30 No. 4 p.522 ~ p.530
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Metabolic Health Is More Important than Obesity in the Development of Nonalcoholic Fatty Liver Disease: A 4-Year Retrospective Study
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:Lee Min-Kyung
:Rhee Eun-Jung/:Kim Min-Chul/:Moon Byung-Sub/:Lee Jeong-In/:Song Young-Seok/:Han Eun-Na/:Lee Hyo-Sun/:Son Yoon-Jeong/:Park Se-Eun/:Park Cheol-Young/:Oh Ki-Won/:Park Sung-Woo/:Lee Won-Young
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Abstract
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Background : The aim of this study is to compare the risk for future development of nonalcoholic fatty liver disease (NAFLD) according to different status of metabolic health and obesity.
Methods : A total of 3,045 subjects without NAFLD and diabetes at baseline were followed for 4 years. Subjects were categorized into four groups according to the following baseline metabolic health and obesity statuses: metabolically healthy, non-obese (MHNO); metabolically healthy, obese (MHO); metabolically unhealthy, non-obese (MUHNO); and metabolically unhealthy, obese (MUHO). Being metabolically healthy was defined as having fewer than two of the following five components: high blood pressure, high fasting blood glucose, high triglyceride, low high density lipoprotein cholesterol, and being in the highest decile of the homeostasis model assessment-insulin resistance index. Obesity was defined as a body mass index >25 kg/m2. The presence of NAFLD was assessed by ultrasonography.
Results : The proportions of subjects included in the MHNO, MHO, MUHNO, and MUHO groups were 71.4%, 9.8%, 13.0%, and 5.8%, respectively. The proportions of subjects who developed NAFLD were 10.5%, 31.4%, 23.2%, and 42% in the MHNO, MHO, MUHNO, and MUHO groups, respectively. The risk for developing NAFLD was highest in subjects who were metabolically unhealthy both at baseline and after 4 years compared with subjects who were consistently metabolically healthy during the follow-up period (odds ratio, 2.862). Using the MHNO group as reference, the odds ratios for the MHO, MUHNO, and MUHO groups were 1.731, 1.877, and 2.501, respectively.
Conclusion : The risk for NAFLD was lower in MHO subjects than in MUNO subjects.
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KEYWORD
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Metabolic health, Non-alcoholic fatty liver disease, Obesity
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