Epidemiology of Nonalcoholic Fatty Liver Disease in Non-Obese Populations: Meta-Analytic Assessment of Prevalence and Genetic, Metabolic, and Histological Profiles

Background & Aims: As a subpopulation of nonalcoholic fatty liver disease (NAFLD), non-obese NAFLD may also have increased risk of adverse hepatic and metabolic outcomes. We estimated the prevalence of non-obese NAFLD and described its clinical characteristics. Methods: We performed a systematic search of 1,891 citations up to April 2019. Results: Of the 40 studies included, 29 cross-sectional/longitudinal studies comprising 157,904...