Table 7.

Cox multivariable regression of independent predictors of survival in propensity score-matched pairs of patients with stage IB LCNEC undergoing lobar resection

		95% Confidence Interval
	Hazard Ratio	Lower	Upper	p-value
Age (years, median)	1.04	1.01	1.07	0.005
Sex (female)	0.99	0.67	1.45	0.95
Year of diagnosis, median (inter-quartile range)	0.99	0.92	1.06	0.69
CDCC Score (reference: 0)
1	0.78	0.51	1.20	0.26
2+	1.10	0.64	1.92	0.73
Facility type (reference: non-academic)
Academic/research program	0.71	0.44	1.14	0.15
Insurance type (reference: private)
Government	1.15	0.71	1.86	0.57
No insurance	0.95	0.33	2.71	0.92
Tumor grade (reference: well differentiated)
Poorly differentiated	2.09	0.27	16.4	0.48
Undifferentiated	2.75	0.35	21.7	0.34
Adjuvant therapy (reference: none)
Chemotherapy	0.58	0.40	0.84	0.004