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J Hepatol. 2009 Apr;50(4):797-804. doi: 10.1016/j.jhep.2008.11.017. Epub 2009 Jan 1.

Influence of ethnicity on histological differences in non-alcoholic fatty liver disease.

Author information

1
Department of Medicine, Center for Liver Diseases, University of Chicago, 5841 S. Maryland Avenue, MC 7120, Chicago, IL 60637-1463, USA. smohanty@medicine.bsd.uchicago.edu

Abstract

BACKGROUND/AIMS:

Previous studies examining ethnic differences in non-alcoholic fatty liver disease (NAFLD) are limited by small sample sizes and the lack of liver biopsy as a diagnostic modality.

METHODS:

We retrospectively examined the influence of ethnicity on the biochemical and liver histological differences in NAFLD patients.

RESULTS:

The proportion of African Americans (AA) in the NAFLD sample (total 238 patients; 15.1% AA) was lower than in the base population (68.2%). Median ALT (47 IU/L; p=0.05) and triglyceride (134mg/dL, p=0.002) levels were lower in AA than other ethnicities. AA showed lower degrees of steatosis [odds ratio (OR) 0.44, 95% confidence interval (CI) 0.22-0.89; p=0.02] than Whites. In contrast, Asians showed higher grades of ballooning than Whites (OR 2.67, 95% CI 1.03-6.93; p=0.04) and other ethnicities combined (OR 2.71, 95% CI 1.06-6.92; p=0.04). Hispanics showed a higher rate of Mallory bodies than Whites (OR 2.38, 95% CI 1.05-5.39; p=0.04) and other ethnicities combined (OR 2.41, 95% CI 1.09-5.34; p=0.03).

CONCLUSIONS:

African Americans showed a lower degree of steatosis than Whites. In contrast, Asians and Hispanics showed higher grades of ballooning and Mallory bodies, respectively, than Whites and other ethnicities combined. These findings highlight the need for prospective studies to evaluate ethnic differences in NAFLD.

PMID:
19231016
DOI:
10.1016/j.jhep.2008.11.017
[Indexed for MEDLINE]

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