Table 2. Predictive factors for intestinal polyps of colitis in univariate and multivariate logistic regression analyses.

Variable	Category	Patient number	Univariate analysis				Multivariate analysis
			OR	95% CI	P value		OR	95% CI	P value
Age	<40/≥40 y	57/96	0.619	0.311–1.234	0.173		0.527	0.247–1.125	0.098
Sex	Male/female	99/54	0.707	0.354–1.414	0.327		0.625	0.295–1.322	0.219
Stage	<6/≥6 points	83/70	0.511	0.264–0.989	0.046*		0.733	0.350–1.537	0.411
Location	Total colon/others	82/71	0.858	0.446–1.650	0.646		1.258	0.592–2.673	0.551
CRP	<12.85/≥12.85	91/62	0.312	0.158–0.616	0.001*		0.365	0.170–0.782	0.010*
WBC	<7.895×109/≥7.895×109	91/62	0.396	0.202–0.774	0.007*		0.507	0.243–1.058	0.070

*, P<0.05 was considered significant. P values were calculated by univariate and multivariate binary logistic regression analysis. CI, confidence interval; OR, odds ratio; CRP, C-reactive protein; WBC, white blood cell.