Table. 1.

NCDB cohort: univariate and multivariate Cox proportional hazards model.

Variables	N (%)	Univariate analysis			Multivariate analysis
		HR	95% CI	p value	HR	95% CI	p value
Age ≥65 years	84 (69)	4.8	2.5–9.4	<0.001	3.2	1.4–7.1	0.004
Male	74 (61)	2.5	1.5–4.2	<0.001	2.1	1.2–3.7	0.006
CDS >1	32 (26)	1.7	1.03–2.7	0.04	1.3	0.8–2.1	0.32
Not Hispanic	106 (96)	1.4	0.4–4.3	0.6
Non-White	12 (10)	0.5	0.2–1.2	0.1
Government insurance	80 (70)	2.2	1.3–3.8	0.004	1.3	0.7–2.5	0.34
Chemotherapy	71 (59)	1.2	0.8–1.9	0.4

Values in bold are statistically significant on univariate analysis AND multivariate analysis.