. Author manuscript; available in PMC: 2016 Dec 7.

Published in final edited form as: J Gastrointest Surg. 2016 Jan 14;20(5):1042–1048. doi: 10.1007/s11605-016-3073-7

Table 3.

Unadjusted outcomes of patients with non-metastatic colon cancer who underwent colon resection from 2010 to 2012 in the National Cancer Data Base

	MIC (N = 40,328)	CC (N = 6144)	OC (N = 57,928)	p value
Lymph nodes extracted	13/18/24	13/18/24	13/17/23	<0.001
Positive margin	1075 (2.7 %)	319 (5.2 %)	3014 (5.2 %)	<0.001
Hospital length of stay	3/5/6	4/6/8	5/6/9	<0.001
30-day readmission	2005 (5.0 %)	460 (7.5 %)	3412 (5.9 %)	<0.001
30-day mortality	419 (1.0 %)	115 (1.9 %)	1637 (2.8 %)	<0.001

Data are represented as the number of patients (percent) for categorical variables and Q1/median/Q3 for continuous variables unless otherwise specified

MIC laparoscopic or robotic-assisted colectomy, CC laparoscopic or robotic colectomy converted to open colectomy, OC open colectomy