Cholecystectomy versus central obesity or insulin resistance in relation to the risk of nonalcoholic fatty liver disease: the third US National Health and Nutrition Examination Survey

Table 3 Adjusted odds ratios (with 95% confidence intervals) for the gallstones- and cholecystectomy-related the risk of nonalcoholic fatty liver disease

	No gallstone disease	Gallstones	Cholecystectomy
Multivariate adjusted^a	1	0.95 (0.68–1.31)	2.61 (1.89–3.61)
Multivariate adjusted^b	1	0.90 (0.66–1.22)	2.56 (1.85–3.53)

^aAdjusted for age, sex, race ethnicity, smoking and drinking status, education level, systolic blood pressure, hemoglobin A1c, total cholesterol, and HDL-cholesterol
^bAdjusted for aforementioned covariates and waist circumference

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