Table 3.

Patient and Hospital Factors Associated with 12 Month Relative Hazard of Death-Cox Proportional Hazard Models

	Limited-Stage Disease	Extensive-Stage Disease
	Hazard Ratio (95% CI) N=288	Hazard Ratio (95% CI) N=643
Age at diagnosis
<60	Ref	Ref
60–69	1.30 (0.44, 3.79)	1.31 (0.91, 1.88)
70–79	2.16 (0.91, 5.14)	1.66 (1.12, 2.45)
80+	1.81 (0.66, 4.97)	1.32 (0.84, 2.07)
Sex
Male	Ref	Ref
Female	0.96 (0.54, 1.73)	0.67 (0.51, 0.90)
Race/Ethnicity
White	Ref	Ref
Black	0.41 (0.17, 0.94)	1.16 (0.90, 1.49)
Hispanic	0.59 (0.24, 1.46)	0.73 (0.52, 1.02)
Other/Unknown	0.33 (0.14, 0.75)	0.79 (0.52, 1.20)
Insurance
Private	Ref	Ref
Any Medicaid	1.10 (0.42, 2.85)	0.91 (0.63, 1.33)
Medicare only	0.81 (0.41, 1.60)	1.48 (1.06, 2.06)
IHS/Tricare/VA/Military	1.80 (0.49, 6.61)	0.98 (0.42, 2.30)
Unknown/No Insurance	0.71 (0.20, 2.51)	1.28 (0.68, 2.41)
Charlson Comorbidity Score
0	0.48 (0.24, 0.96)	1.03 (0.76, 1.41)
1	Ref	Ref
2+	0.89 (0.47, 1.70)	1.15 (0.74, 1.78)
Pneumonia/Lung Collapse
No/Unknown	Ref	Ref
Yes	1.41 (0.73, 2.70)	1.50 (1.12, 2.01)
Treating Hospital Characteristics
Residency Program
No/Unknown	Ref	Ref
Yes	1.84 (1.00, 3.36)	0.76 (0.57, 1.00)
Hospital Ownership
Not-for-profit	Ref	Ref
For Profit	0.78 (0.30, 2.00)	0.87 (0.53, 1.44)
Government/Other	0.79 (0.36, 1.72)	0.94 (0.67, 1.32)
Treatment
No or unknown treatment	16.12 (7.89, 32.95)	5.45 (3.71, 8.01)
RT only	11.66 (5.09, 26.67)	3.60 (2.33, 5.58)
Any Chemo only	1.79 (0.59, 5.49)	Ref
Any Chemo & RT	Ref	0.80 (0.55, 1.16)
Overall-Unadjusted 12-Month Mortality	43.3% (N=129)	72.5% (N=469)