. Author manuscript; available in PMC: 2012 Aug 1.

Published in final edited form as: Dis Colon Rectum. 2011 Aug;54(8):1020–1025. doi: 10.1007/DCR.0b013e31821b94b3

Table 3. L1 +L3 (ileal CD and ileocolonic) vs. L2 (colonic only without ileal disease) logistic regression analysis with stepwise variable selection including genetic and clinical co-variates.

The odds ratio (O.R.) and 95% confidence interval (C.I.) are shown.

	P-value	R/R vs. NR/NR Smoker vs. nonsmoker O.R. (95% C.I.)	R/NR vs. NR/NR Ex-smoker vs. nonsmoker O.R. (95% C.I.)	R/R vs R/NR Smoker vs. ex-smoker O.R. (95% C.I.)
NOD2	<0.0001	6.102 (1.855-20.074)	2.552 (1.479-4.402)	2.391 (0.671-8.525)
Smoking	0.0082	1.689 (1.071- 2.664)	0.647 (0.335-1.249)	2.611 (1.279-5.319)
TNSF15	0.0479	0.227 (0.068-0.763)	0.218 (0.064-0.737)	1.045 (0.694-1.573)