Abstract

Previous studies reported inconsistent results of the association between Helicobacter pylori (H. pylori) infection and nonalcoholic fatty liver disease (NAFLD). A cohort study of 2063 adults without NAFLD at baseline, who participated in a repeated health check-up including a 13C urea breath test and abdominal ultrasonography, was conducted to evaluate the link between H. pylori infection and NAFLD development. During a mean follow-up period of 1.7 years, we did not found a significant association between H. pylori infection and NAFLD (Hazard ratio (HR) = 1.10 (0.86, 1.40), p = 0.4689). We also found that higher age, body mass index (BMI), systolic blood pressure (systolic BP), diastolic blood pressure (diastolic BP), fasting blood glucose, triglycerides, total cholesterol, low density lipoprotein cholesterol (LDL-C), alanine aminotransferase (ALT) and aspartate aminotransferase (AST) were risk factors, and high density lipoprotein cholesterol (HDL-C) was a protective factor for NAFLD development. H. pylori infection might not be positively related to NAFLD development.

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