Medicine

Background: Data on alcoholic fatty liver (AFL) is limited. Therefore, we investigated alcohol use and AFL in a cohort of adults in an urban community in Sri Lanka. Methods: The study population (selected by age-stratified random sampling) was screened in 2007 (35-64 years) and re-evaluated in 2014. They were assessed by structured interviews, anthropometric measurements, liver-ultrasound, and biochemical and serological tests. AFL was diagnosed on ultrasound criteria, ‘unsafe’ alcohol consumption (Asian standards: males>14 units, females >7 units per week) and absence of hepatitis B/C markers. Controls were unsafe alcohol consumers who had no fatty liver on ultrasound. Results: 2985/3012 (99%) had complete data for analysis. 272/2985 (9.1%) were unsafe-drinkers in 2007 [males-270; mean-age-51.9, SD-8.0 years]. 86/272 (31.6%) had AFL [males-85; mean-age-50.2, SD-8.6 years]. Male gender [p<0.001], increased waist circumference (WC) [OR 4.9, p<0.01], BMI>23kg/m2 [OR 3.5, p<0.01] and raised alanine aminotransferase (ALT) [OR 2.8, p<0.01] were independently associated with AFL. 173/272 (63.6%) unsafe alcohol consumers from 2007 were re-evaluated in 2014. 134/173 had either had AFL or had changed to ‘safe’ or no alcohol consumption. 21/39 (53.8%) [males-21 (100%), meanage- 57.9, SD-7.9 years] who remained ‘unsafe’ alcohol users who had no fatty liver in 2007 developed AFL after 7-years (annual incidence 7.7%). On bivariate analysis, only male gender was associated with new-onset AFL. Of the 42 who had AFL at baseline but changed their drinking status from unsafe to safe or no alcohol, 6 had resolution of fatty liver in 2014. Conclusion: In this community-based study among adults from an urban community, unsafe alcohol use was found in 9.1%. Among unsafe alcohol users, the prevalence of AFL was 31.6% and the annual incidence of AFL was 7.7%. New-onset AFL was independently associated with male gender.

Medicine

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