Table 1.

Study population characteristics by patient functional status among patients with colon cancer following surgical resection.

Characteristic	Functional status		Total (n = 115,897)%
	Partially/totally dependent (n = 3,110)%	Independent (n = 112,787)%
Sex (male)*	42.8	51.5	51.3
Age group*
<45	1.5	6.3	6.2
45–54	4.5	15.8	15.5
55–64	10.5	23.4	23.0
65–74	20.2	27.0	26.8
75+	63.4	27.6	28.6
Hispanic ethnicity
Yes	4.6	5.0	5.0
No	80.8	79.0	79.1
Unknown	14.5	16.0	16.0
Race*
White	63.6	66.9	66.8
African American	13.8	9.3	9.4
Other	6.2	5.6	5.6
Unknown	16.4	18.2	18.2
Type of surgery*
Open	50.3	35.1	35.5
Minimally invasive	49.7	64.9	64.5
Admission source*
From acute care as hospital inpatient	5.4	1.7	1.8
Admitted from home	74.5	96.2	95.7
Nursing home, chronic care, intermediate care	16.0	0.4	0.8
Outside emergency department	2.8	1.3	1.3
Other	1.2	0.3	0.3
Unknown	0.2	0.1	0.1
TNM stage*
0	0.8	2.1	2.0
I	9.9	12.8	12.7
II	21.1	16.2	16.4
III	18.5	16.8	16.8
IV	5.3	7.0	6.9
Unknown	44.5	45.2	45.2
Tumor location*
Left	29.8	41.4	41.1
Right	46.2	36.5	36.7
Transverse	24.0	22.2	22.2
Length of stay (mean, ST. error)*	12.6 (0.18)	6.7 (0.02)	6.9 (0.02)
Reoperation*	5.0	4.0	4.0
Deep vein thrombosis*	2.4	1.1	1.1
Pulmonary embolism*	1.1	0.7	0.7
Myocardial infarction*	2.0	0.7	0.7
Stroke*	1.0	0.2	0.3
Wound infection*	6.6	0.6	0.8
Deep incisional surgical site infection*	1.1	0.6	0.6
Anastomotic leak	2.7	2.9	2.0
Prolonged ileus*	23.7	13.7	13.9
Sepsis*	5.6	2.6	2.7
C. Difficile*	1.7	0.8	0.8

^*p < 0.05 Between patients who were partially/totally dependent and those who were functionally independent based on Chi-square test.