Race/ethnicity and socio-economic differences in colorectal cancer surgery outcomes: analysis of the nationwide inpatient sample

Table 3 Multivariable logistic regression analysis of outcomes after colorectal cancer surgery, Nationwide Inpatient Sample, 2007-2011

Study Characteristics	N (%)	Post-Surgical Complications^a OR (95 % CI)	P-value	In-Hospital Mortality^a OR (95 % CI)	P-value
Age	104834	1.01 (1.01, 1.01)	<.0001	1.05 (1.05, 1.06)	<.0001
Sex			<.0001		<.0001
Male	52193 (49.8)	Ref		Ref
Female	52510 (50.2)	0.77 (0.73, 0.81)		0.72 (0.65, 0.79)
Race/Ethnicity			0.0021		0.0364
White	66339 (76.6)	Ref		Ref
Black	9091 (10.5)	1.07 (1.01, 1.13)		1.18 (1.00, 1.39)
Hispanic	5837 (6.7)	0.93 (0.87, 0.99)		1.01 (0.82, 1.24)
Other	5356 (6.2)	0.96 (0.90, 1.02)		0.79 (0.63, 1.01)
Residential Income			0.0472		0.0080
Q4-Highest	24504 (24.1)	Ref		Ref
Q3	25238 (24.9)	1.05 (1.01, 1.10)		1.19 (1.03, 1.36)
Q2	26492 (26.1)	1.01 (0.96, 1.06)		1.20 (1.04, 1.39)
Q1-Lowest	25300 (24.9)	0.99 (0.95, 1.04)		1.30 (1.11, 1.51)
Stage			<.0001		<.0001
Non-Metastatic	5397 (13.5)	Ref		Ref
Metastatic	24142 (60.3)	1.17 (1.13, 1. 21)		1.80 (1.63, 1.99)
Insurance Type			<.0001		<.0001
Private	34356 (33.6)	Ref		Ref
Medicare	59102 (57.0)	1.16 (1.11, 1.22)		1.23 (1.05, 1.45)
Medicaid	4976 (4.8)	1.15 (1.07, 1.25)		1.66 (1. 23, 2.22)
Other	5216 (5.0)	1.03 (0.95, 1.12)		1.95 (1.49, 2.56)
Residential Region			0.0116		0.6859
Large metro	52149 (56.2)	Ref		Ref
Small metro	28372 (30.6)	0.95 (0.91, 0.99)		0.96 (0.86, 1.08)
Micropolitan	12260 (13.2)	1.01 (0.95, 1.06)		0.95 (0.80, 1.08)
Comorbidities			<.0001		<.0001
0	72084 (69.6)	Ref		Ref
1	23234 (22.4)	1.19 (1.14, 1.23)		1.86 (1.67, 2.08)
≥ 2	8332 (8.0)	1.19 (1.13, 1.26)		3.11 (2.73, 3.54)

^aAdjusted for age, sex, diagnosis year, race, income, stage, insurance, residential region and comorbidities

ISSN: 1471-2407