Table 3.

Multivariable Cox Proportional Hazards model for factors associated with survival in propensity score-matched patients

		95% Confidence Interval
Variable	Hazard Ratio	Lower	Upper	p-value
Age (per year)	1.02	0.99	1.06	0.19
Year of diagnosis (per year)	0.88	0.79	0.98	0.02
Charlson-Deyo Comorbidity Index (reference: 0)
1	1.01	0.58	1.78	0.97
2+	1.97	1.02	3.81	0.04
Academic center	0.91	0.54	1.51	0.70
Tumor size (per 10 mm)	0.99	0.97	1.02	0.57
Type of surgery (reference: segmentectomy)
Lobectomy	0.69	0.42	1.14	0.14
N=148