Résumé :
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[BDSP. Notice produite par INIST-CNRS R0xE5iPd. Diffusion soumise à autorisation]. Past studies of the relation between hepatitis C virus (HCV) infection and type 2 diabetes conflict. The authors aimed to elucidate the relation by using a large community-based sample with a wide range of liver conditions. Between October 1997 and February 1998,2,327 consecutive subjects (aged>=35 years) were enrolled at the public health facility in Taiwan. Blood sugar, hepatitis B surface antigen, and antibody for HCV (anti-HCV) were tested. Abdominal sonography was performed on viral-hepatitis-positive subjects. In univariate analysis, older age, lower educational levels, sedentary work, body mass index of>=25 kg/m2, and anti-HCV positivity were significantly associated with type 2 diabetes (p<0.05), but smoking, alcohol consumption, gender, and hepatitis B surface antigen status were not. In multivariate logistic regression, anti-HCV positivity was strongly associated with type 2 diabetes in subjects aged 35-49 years (odds ratio (OR)=3.3,95% confidence interval (Cl) : 1.4,8.0) and 50-64-years (OR=1.6,95% Cl : 1.1,2.5). Sonographic evidence of fatty liver (OR=2.4,95% Cl : 1.2,4.8) and chronic liver disease (OR=2.0,95% Cl : 1.0,4.2) in anti-HCV-positive subjects was moderately associated with type 2 diabetes after age and gender adjustment. Data suggest that HCV infection is moderately associated with type 2 diabetes ; the association was strongest for subjects aged 35-49 years and increased with severity of the liver condition.
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