Inverse Association between Hepatitis B Virus Infection and Fatty Liver Disease: A Large-Scale Study in Populations Seeking for Check-Up

Yuan-Lung Cheng, Yuan-Jen Wang, Wei-Yu Kao, Ping-Hsien Chen, Teh-Ia Huo, Yi-Hsiang Huang, Keng-Hsin Lan, Chien-Wei Su, Wan-Leong Chan, Han-Chieh Lin, Fa-Yauh Lee and Jaw-Ching Wu

PLOS ONE, 2013, vol. 8, issue 8, 1-9

Abstract: Background: Although many studies have attempted to clarify the association between hepatitis B virus (HBV) infection and fatty liver disease, no prior studies have emphasized the relationship of HBV and fatty liver regarding different demographics of age and body mass index (BMI). Aim: To investigate the correlation of HBV and fatty liver in the different demographics of age and BMI. Methods: We enrolled consecutive subjects who had received health check-up services at the Taipei Veterans General Hospital from 2002 to 2009 and ultrasonography was used to diagnose fatty liver according to the practice guidelines of the American Gastroenterological Association. Results: Among the 33,439 subjects enrolled in this study, fatty liver was diagnosed in 43.9% of the population and 38.9% of patients with chronic HBV infection. Multivariate analysis showed that BMI, age, waist circumference, systolic blood pressure, fasting glucose, cholesterol, alanine aminotransferase (ALT) levels, and platelet counts were positively associated, while hepatitis B surface antigen (HBsAg) positivity was inversely associated with fatty liver, especially for subjects with BMI>22.4 kg/m2 and age>50 years. On the contrary, HBV infection was positively correlated with the presence of elevated serum ALT levels in subjects with fatty liver disease regardless of their age and BMI. Conclusions: Metabolic factors are important determinants for the prevalence of fatty liver. Patients with HBV infection were inversely associated with fatty liver disease than the general population, especially in older and obese patients. Furthermore, metabolic factors and HBV infection were associated with elevated serum ALT levels in fatty liver disease.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0072049

DOI: 10.1371/journal.pone.0072049

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