Table 3. Predictive factors for fistula in Crohn’s disease 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	319/120	1.062	0.664–1.696	0.803		1.118	0.681–1.836	0.660
Sex	Male/female	151/288	1.059	0.685–1.637	0.797		0.811	0.504–1.305	0.389
Stage	Severe/others	123/316	0.787	0.499–1.239	0.301		0.776	0.485–1.241	0.290
Location	Colon others	235/204	0.586	0.383–0.898	0.014*		0.616	0.393–0.964	0.034*
ESR	<20.5/≥20.5	273/166	0.521	0.342–0.796	0.003*		0.544	0.348–0.850	0.007*
EOS	<0.155×109/≥0.155×109	274/165	0.504	0.319–0.796	0.003*		0.459	0.285–0.739	0.001*

*, P<0.05 was considered significant. P values were calculated by univariate and multivariate binary logistic regression analysis. CI, confidence interval; OR, odds ratio; ESR, serum erythrocyte sedimentation rate; EOS, eosinophil.