Table 5.

Multivariate Cox Model for Survival Including Pessimism, Treatment, and Comorbidities

Variable	p-value	Hazard Ratio	95% Hazard Ratio Confidence Limits
Pessimist (60+)	0.0339	1.25	1.02	1.55
Age at Diagnosis	<0.0001	1.04	1.03	1.05
Male	0.02	1.28	1.04	1.58
Any Surgery	<0.0001	0.23	0.17	0.31
Any Radiation Therapy	0.17	1.22	0.92	1.63
Any Chemotherapy	0.70	0.95	0.73	1.24
Current Smoker	0.0005	1.54	1.21	1.96
Some Smoking History	0.0005	2.02	1.36	3.01
Any Other Cancer	0.35	1.18	0.83	1.66
Any Other Lung Disease	0.66	1.07	0.80	1.42