Table 4.

Multivariate analysis; complications Clavien-Dindo >3b

	Univariate Odds ratio	Univariate 95 % CI	p value	Multivariate Odds ratio	Multivariate 95 % CI	p value
Age	1.03	1.01–1.05	.003			ns
Sex	0.86	0.53–1.39	ns			ni
ASA 1–2 vs. 3–4	2.72	1.63–4.55	.001	2.57	1.50–4.38	.001
Type of operation	1.19	1.00–1.43	.053			ns
Open vs. scopic	0.30	0.17–0.54	<.001	0.50	0.27–0.92	.027
Emergency vs. elective	2.50	1.31–4.77	.006			ns
Before vs. after 2011	0.44	0.27–0.71	.001	0.53	0.32–0.88	.014
Stoma vs. no stoma	2.56	1.58–4.17	<.001	2.14	1.27–3.61	.004
R0 vs R1-2	0.353	0.05–2.72	ns			ni
Dukes’A-B vs. C-D	1.03	0.63–1.68	ns			ni

ns non significant, ni not included