Publication Date

1-1-2021

Journal

Clinical Gastroenterology and Hepatology

DOI

10.1016/j.cgh.2020.04.067

PMID

32360810

PMCID

PMC8796200

PubMedCentral® Posted Date

1-28-2021

Abstract

BACKGROUND & AIMS: The risk of nonalcoholic fatty liver disease (NAFLD) and its progression may differ between men and women. We conducted a systematic review and meta-analysis to determine the relationship between sex and NAFLD, nonalcoholic steatohepatitis (NASH), and advanced NAFLD fibrosis.

METHODS: Studies reporting sex-stratified NAFLD prevalence among population-based samples and either NASH or advanced fibrosis among patients with biopsy-proven NAFLD were identified from MEDLINE, EMBASE, and Cochrane databases through December 2017. We calculated pooled relative risk ratios comparing women vs men for each outcome.

RESULTS: Our final analysis comprised 54 studies. Samples sizes were 62,239 for the NAFLD analysis, 5428 for the NASH analysis, and 6444 for the advanced fibrosis analysis. Women had a 19% lower risk of NAFLD than men in the general population (pooled risk ratio [RR], 0.81; 95% CI, 0.68-0.97; I

CONCLUSIONS: In a systematic review and meta-analysis, we found women to have a lower risk of NAFLD than men. However, once NAFLD is established, women have a higher risk of advanced fibrosis than men, especially after age 50 years.

Keywords

Biopsy, Female, Humans, Liver, Liver Cirrhosis, Male, Middle Aged, Non-alcoholic Fatty Liver Disease, Prevalence, Risk

PubMedCentral® Full Text Version

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Published Open-Access

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