Table 4.

Multivariate analysis for the detection of associative valuables with experience of biologic agent in ulcerative colitis.

Characteristics		Odds ratio (95% CI)	P value
Sex
	Male	1.4 (0.8-2.3)	.19
Age at diagnosis
	<40 years	2.3 (1.3-3.8)	.002
Phenotype of inflammatory bowel disease
	Systemic steroid uses at the diagnosis	2.1 (1.2-3.6)	.01
Laboratory findings
	Hemoglobin <10 g/dL	1.1 (0.5-2.2)	.79
	C-reactive protein ≥3 g/dL	1.9 (1.1-3.4)	.02
	Albumin <3.5 g/dL	2.2 (1.2-3.9)	.01