. 2018 May 25;1(1):15–21. doi: 10.23922/jarc.2016-004

Table 2.

Results of Univariate Analysis of Factors Associated with Surgical Recurrence after Intestinal Resection for Crohn’s Disease in Patients Receiving Post-operative Anti-TNF Maintenance Therapy.

Variable		OR	95% CI	P
Gender		2.04	0.59-7.09	0.259
	M/F	2.04	0.59-7.09	0.259
Age at primary surgery		1.65	0.25-12.5	0.657
	<40 years/≥40 years	1.65	0.25-12.5	0.657
Age at diagnosis		1.23	0.47-3.44	0.628
	<40 years/≥40 years	1.23	0.47-3.44	0.628
Post-operative smoking		5.03	1.14-22.2	0.033
	Yes/No	5.03	1.14-22.2	0.033
Small intestinal involvement		2.38	0.026-40.5	0.361
	Yes/No	2.38	0.026-40.5	0.361
Large intestinal involvement		2.38	0.01-37.4	0.068
	No/Yes	2.38	0.01-37.4	0.068
Multiple stenoses in small intestine		1.23	0.41-3.75	0.713
	No/Yes	1.23	0.41-3.75	0.713
Disease behavior		1.34	0.53-3.45	0.534
	Non-penetrating/Penetrating	1.34	0.53-3.45	0.534
Perianal disease		1.13	0.45-2.87	0.797
	No/Yes	1.13	0.45-2.87	0.797
Type of operation		1.21	0.47-3.12	0.696
	Reoperation/Initial surgery	1.21	0.47-3.12	0.696
Strictureplasty		1.60	0.56-5.24	0.343
	Yes/No	1.60	0.56-5.24	0.343
Ileocecal resection only		1.70	0.23-12.8	0.608
	No/Yes	1.70	0.23-12.8	0.608
Receiving elemental diet		2.28	0.90-5.77	0.082
	Yes/No	2.28	0.90-5.77	0.082
Thiopurine use		1.12	0.40-3.15	0.831
	Yes/No	1.12	0.40-3.15	0.831

Cox proportional hazard model