Characteristic | Unadjusted Model | Adjusted Model | ||
---|---|---|---|---|
Odds Ratio (95% CI) | P Value | Odds Ratio (95% CI) | P Value | |
Age group (years) | ||||
21–59 | 1.00 | – | 1.00 | – |
60–74 | 0.76 (0.56, 1.04) | 0.093 | 0.80 (0.55, 1.16) | 0.231 |
75+ | 0.55 (0.38, 0.82) | 0.003 | 0.71 (0.44, 1.17) | 0.182 |
Sex | ||||
Male | 1.00 | – | 1.00 | – |
Female | 0.95 (0.72, 1.25) | 0.732 | 0.87 (0.64, 1.19) | 0.408 |
Marital Status | ||||
Unmarried | 1.00 | – | 1.00 | – |
Married | 1.15 (0.87, 1.52) | 0.318 | 0.91 (0.66, 1.26) | 0.571 |
Unknown | 0.99 (0.42, 2.37) | 0.994 | 0.87 (0.34, 2.23) | 0.779 |
Health Insurance | ||||
Medicaid | 1.00 | – | 1.00 | – |
Medicare | 1.58 (1.07, 2.31) | 0.020 | 1.47 (0.92, 2.37) | 0.109 |
Medicare-Medicaid | 0.95 (0.65, 1.40) | 0.814 | 1.02 (0.64, 1.63) | 0.920 |
Private | 2.04 (1.40, 2.98) | < 0.0001 | 1.50 (0.98, 2.29) | 0.061 |
Density of RT Centers | ||||
Low (0–2) | 1.00 | – | 1.00 | – |
Medium (3–6) | 1.08 (0.64, 1.84) | 0.767 | 1.13 (0.62, 2.04) | 0.685 |
High (7+) | 1.32 (0.75, 2.31) | 0.339 | 1.31 (0.70, 2.48) | 0.394 |
Geographic Location | ||||
Metro | 1.00 | – | 1.00 | – |
Nonmetro | 0.57 | 0.168 | 0.70 (0.29, 1.66) | 0.416 |
Surgery | ||||
No | 1.00 | – | 1.00 | – |
Yes | 0.74 (0.45, 1.23) | 0.250 | 0.66 (0.39, 1.14) | 0.137 |
Chemotherapy | ||||
No | 1.00 | – | 1.00 | – |
Yes | 4.46 (3.32, 5.99) | < 0.0001 | 3.90 (2.91, 5.45) | < 0.0001 |
Year of Diagnosis | ||||
2009 | 1.00 | 1.00 | – | |
2010 | 1.03 (0.57, 1.87) | 0.918 | 1.03 (0.54, 1.97) | 0.932 |
2011 | 0.89 (0.52, 1.56) | 0.707 | 0.98 (0.54,1,79) | 0.959 |
2012 | 0.91 (0.54, 1.54) | 0.721 | 0.88 (0.50, 1.56) | 0.659 |
2013 | 1.03 (0.61, 1.73) | 0.910 | 0.96 (0.54, 1.68) | 0.879 |
2014 | 0.94 (0.55, 1.58) | 0.806 | 1.04 (0.59, 1.85) | 0.870 |
2015 | 0.98 (0.58, 1.64) | 0.944 | 1.19 (0.68, 2.10) | 0.545 |
Symptoms | ||||
No | 1.00 | – | 1.00 | – |
Yes | 1.86 (1.38, 2.51) | < 0.0001 | 1.41 (1.00, 1.98) | 0.045 |
Comorbidity | ||||
0 | 1.00 | 1.00 | – | |
1 | 1.07 (0.74, 1.55) | 0.702 | 1.02 (0.68, 1.55) | 0.919 |
2+ | 0.81 (0.55, 1.18) | 0.279 | 0.86 (0.55, 1.33) | 0.483 |