Table 2.

Univariable and multivariable logistic regression model for factors predictive of positive CRM after colon cancer resection.

	Univariable		Multivariable
	OR (95%CI)	P	OR (95%CI)	P
Age (years)	0.983 (0.968-0.998)	0.025	0.994 (0.979-1.010)	0.468
Sex
Male	Reference		Reference
Female	0.868 (0.587-1.283)	0.477	0.804 (0.531-1.219)	0.304
Years
2008-2013	Reference		Reference
2014-2018	0.893 (0.609-1.311)	0.564	1.262 (0.728-2.190)	0.407
Location
Left side	Reference		Reference
Right side	1.575 (1.057-2.346)	0.026	1.330 (0.869-2.035)	0.189
Surgical procedures
Open	Reference
Laparoscopic	0.856 (0.477-1.537)	0.603	1.026 (0.548-1.923)	0.936
Neoadjuvant therapy
No	Reference		Reference
Yes	1.886 (0.906-3.926)	0.090	1.600 (0.719-3.558)	0.249
Histologic type
Adenocarcinoma	Reference		Reference
Mucinous	2.044 (1.298-3.220)	0.002	1.342 (0.779-2.310)	0.289
Signet ring cell	5.631 (2.735-11.590)	<0.001	1.845 (0.771-4.414)	0.169
Differentiation
Moderate	Reference		Reference
Poor	3.289 (2.205-4.906)	<0.001	1.710 (1.071-2.729)	0.025
Well	0.737 (0.101-5.396)	0.764	3.308 (0.419-26.136)	0.257
T stage
T3	Reference		Reference
T4	1.496 (0.973-2.302)	0.067	1.677 (0.912-3.080)	0.096
N stage
N0	Reference		Reference
N1	4.627 (2.499-8.566)	<0.001	2.563 (1.330-4.939)	0.005
N2	12.195 (6.756-22.011)	<0.001	4.298 (2.147-8.601)	<0.001
M stage
0	Reference		Reference
1	4.595 (3.127-6.752)	<0.001	2.347 (1.527-3.608)	<0.001
Perineural invasion
Negative	Reference		Reference
Positive	3.018 (2.057-4.428)	<0.001	1.245 (0.807-1.921)	0.322
Vascular invasion
Negative	Reference		Reference
Positive	3.696 (2.511-5.438)	<0.001	1.319 (0.827-2.104)	0.246