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Prevalence of NAFLD, MAFLD and associated advanced fibrosis in the contemporary United States population
Author(s) -
Ciardullo Stefano,
Perseghin Gianluca
Publication year - 2021
Publication title -
liver international
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.873
H-Index - 110
eISSN - 1478-3231
pISSN - 1478-3223
DOI - 10.1111/liv.14828
Subject(s) - transient elastography , nonalcoholic fatty liver disease , medicine , fatty liver , population , epidemiology , national health and nutrition examination survey , disease , gastroenterology , fibrosis , environmental health , liver fibrosis
Data are limited on the epidemiological implications of the recent change in terminology from nonalcoholic fatty liver disease (NAFLD) to metabolic dysfunction‐associated fatty liver disease (MAFLD). We therefore performed a cross‐sectional study of adults recruited in the 2017‐2018 National Health and Nutrition Examination Survey, a representative sample of the general US population. The prevalence of NAFLD and MAFLD based on controlled attenuation parameter (CAP) and liver stiffness measurement (LSM) obtained through vibration‐controlled transient elastography (VCTE) were 37.1% (95% CI 34.0‐40.4) and 39.1% (95% CI 36.3‐42.1), respectively, with higher rates among Hispanic individuals. Agreement between the two definitions was high (Cohen's κ 0.92). Patients with NAFLD and MAFLD also showed similar risk of advanced liver fibrosis (7.5% and 7.4% respectively). Our results suggest that the recent change in diagnostic criteria did not affect the prevalence of the condition in the general United States population.

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