Table 2.

Multivariate regression analysis of factors associated with duration of IV corticosteroid exposure^a

Variables	Adjusted coefficient	95% CI	P-value
Prior anti-TNF exposure	−1.347	−4.128 to 1.435	.34
CRP at admission	0	−0.018 to 0.017	.96
Mayo UC subscore of 3 on endoscopy	2.164	−0.043 to 5.172	.16
Time to flexible sigmoidoscopy, days	1.008	0.672 to 1.368	<.001
Oral steroids on admission	2.319	−0.176 to 4.814	.07

Abbreviations: 95% CI, 95% confidence interval; anti-TNF, anti-tumor necrosis factor; CRP, C-reactive protein; IV, intravenous; UC, ulcerative colitis.

Bold values indicate P-value <.05.

^a88 patients analyzed.