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KMID : 1199120080320060498
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Korean Diabetes Journal
2008 Volume.32 No. 6 p.498 ~ p.505
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Insulin Sensitivity and Insulin Secretion Determined by Homeostasis Model Assessment and Future Risk of Diabetes Mellitus in Korean Men
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Choi Eun-Suk
Rhee Eun-Jung
Kim Ji-Hoon
Won Jong-Chul
Park Cheol-Young
Lee Won-Young
Oh Ki-Won
Park Sung-Woo
Kim Sun-Woo
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Abstract
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Background: Insulin resistance and progressive pancreatic beta cell dysfunction have been identified as the two fundamental features in the type 2 diabetes. Homeostasis model assessment (HOMA), based on plasma levels of fasting glucose and insulin, has been widely validated and applied for quantifying insulin resistance and secretion. This study was performed to assess the predictive value of HOMA indices for future diabetes risk.
Methods: In 14,976 Korean men, in which medical check-up was performed both in 2002 and 2006 in a university hospital health promotion center in Seoul, Korea, prospective assessment for diabetes risk was assessed. At baseline, anthropometric measurements were done and fasting glucose, insulin, lipid profiles were measured. HOMA-insulin resistance (HOMA-IR) and beta cell function (HOMA β-cell) were calculated from fasting glucose and insulin levels.
Results:After 4 years, 286 subjects (1.9%) were newly diagnosed as diabetes mellitus. These patients (mean age 40.3 years) were age-matched with 632 control subjects (mean age 39.8 years) and diabetes risk was assessed with HOMA indices. Among the parameters, body mass index, fasting glucose and HOMA β-cell were the significant determinants for future diabetes risk. When the subjects were divided into two groups according to the baseline median values of HOMA-IR and HOMA β-cell, and assessed jointly, those with the low HOMA β-cell and high HOMA-IR showed the highest risk for future diabetes (RR 39.065, 95% CI 11.736~130.035, P < 0.01). The subjects with low baseline HOMA β-cell showed higher RR for diabetes than those with high baseline HOMA-IR (4.413 vs. 3.379, P = 0.018, P = 0.051).
Conclusion: High HOMA-IR and low HOMA β-cell were associated with the highest risk for future diabetes in this prospective study of Korean male subjects. These data suggest the value of HOMA indices for diabetes risk in epidemiologic studies in Asian subjects.
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KEYWORD
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Diabetes mellitus, HOMA-IR, HOMA β-cell
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