Table 4. Predictive factors for stricture 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	0.497	0.287–0.861	0.013*		0.466	0.262–0.829	0.009*
Sex	Male/female	151/288	1.225	0.767–1.958	0.395		0.867	0.520–1.446	0.584
Stage	Severe/others	123/316	0.522	0.304–0.896	0.018*		0.524	0.301–0.912	0.022*
Location	Colon/others	235/204	0.713	0.460–1.106	0.131		0.858	0.537–1.371	0.521
ESR	<18.5/≥18.5	259/180	0.423	0.261–0.685	0.000*		0.500	0.298–0.840	0.009*
PLT	<328×109/≥328×109	313/126	0.457	0.265–0.790	0.005*		0.521	0.290–0.937	0.029*

*, 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; PLT, platelet.