Table 2.

Influence of baseline characteristics on the risk of colectomy—Cox models

	Univariable Cox PH model		Multivariable Cox PH model
	HR (95% CI)	p-value	HR (95% CI)	p-value
MUC	1.48 [1.19–1.76]	<0.001	1.46 [1.06–2.02]	0.02
Bowel wall thickness	1.68 [1.23–2.3]	<0.001
Mayo Endoscopic Subscore	3.15 [1.18–8.37]	0.02	—	—
Partial Mayo Score	1.67 [1.27–2.19]	<0.001	1.63 [1.08–2.47]	0.02
Biological therapy	1.29 [1.05–1.58]	0.01	1.47 [1.12–1.94]	0.01
Steroids	0.83 [0.42–1.61]	0.58	—	—
Disease duration	0.93 [0.86–1.01]	0.08	0.91 [0.84–0.99]	0.03
CRP	1.01 [0.99–1.02]	0.07	—	—
Calprotectin	0.99 [0.99–1.00]	0.97	—	—

CI, confidence interval; CRP, C-reactive protein; HR, hazard ratio; MUC, Milan Ultrasound Criteria; PH, proportional hazards.