Table 2.

Association between hepatic infection and the presence of colorectal polyps

Variables	Model a 1 OR (95% CI)	P Value	Model a 2 OR (95% CI)	P Value	Model a 3 OR (95% CI)	P Value
	All
Uninfected	reference	-	reference	-	reference	-
HCV	0.74 (0.55–0.98)	0.037	0.68 (0.51–0.92)	0.011	0.68 (0.50–0.91)	0.010
HBV	1.06 (0.84–1.34)	0.630	1.11 (0.87–1.41)	0.411	1.12 (0.87–1.43)	0.378
HCV + HBV	1.20 (0.70–2.07)	0.504	1.32 (0.75–2.33)	0.334	1.24 (0.70–2.20)	0.456
	Tubular adenoma
Uninfected	reference	-	reference	-	reference	-
HCV	0.81 (0.52–1.25)	0.344	0.74 (0.47–1.16)	0.187	0.74 (0.48–1.16)	0.196
HBV	0.90 (0.62–1.30)	0.569	0.92 (0.63–1.34)	0.661	0.94 (0.64–1.36)	0.735
HCV + HBV	1.55 (0.73–3.28)	0.251	1.70 (0.79–3.68)	0.174	1.65 (0.76–3.56)	0.205
	Hyperplastic polyp
Uninfected	reference	-	reference	-	reference	-
HCV	0.81 (0.46–1.44)	0.476	0.76 (0.42–1.34)	0.354	0.77 (0.43–1.38)	0.377
HBV	0.99 (0.62–1.56)	0.952	0.99 (0.62–1.56)	0.970	1.01 (0.63–1.62)	0.965
HCV + HBV	0.98 (0.30–3.15)	0.972	0.99 (0.30–3.22)	0.986	0.95 (0.29–3.11)	0.936

^a Adjusted covariates:

Model 1 = unadjusted

Model 2 = Model 1 + age, gender, BMI, proteinuria, serum total cholesterol, uric acid, creatinine, AST, albumin, hsCRP, TSH

Model 3 = Model 2 + history of smoking, drinking