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

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

Study Characteristics N (%) Post-Surgical Complicationsa
OR (95 % CI)
P-value In-Hospital Mortalitya
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)  
  1. aAdjusted for age, sex, diagnosis year, race, income, stage, insurance, residential region and comorbidities