. Author manuscript; available in PMC: 2019 Mar 1.

Published in final edited form as: J Am Acad Dermatol. 2017 Oct 5;78(3):490–497.e1. doi: 10.1016/j.jaad.2017.09.062

Table 4.

Cox proportional hazard ratio (HR) for overall and disease-specific survival.

	Overall		Disease-Specific
Characteristic	HR (95% CI)	P Value	HR (95% CI)	P Value
Overall^a
Year of diagnosis (Advanced)	0.97 (0.92–1.02)	0.29	1.02 (0.96–1.08)	0.50
Age (Advanced)	1.05 (1.02–1.08)	<0.01	1.05 (1.02–1.09)	<0.01
Sex (Male)	0.46 (0.15–1.41)	0.18	0.21(0.06–0.82)	0.02
Race (Black)	2.45 (0.92–6.52)	0.07	1.36 (0.45–4.12)	0.59
Residency demographic^*	--	0.26	0.47 (0.04–6.10)	0.57
Stage (Advanced)	2.08 (1.23–3.53)	<0.01	2.29 (1.40–3.72)	<0.01
Body site^*	--	0.64	--	0.17
Surgery (Performed)	0.24 (0.03–1.89)	0.17	0.06 (0.01–0.59)	0.02
Radiation therapy (None)	0.26 (0.09–0.79)	0.02	0.34 (0.11–1.03)	0.06

Category in parentheses defines the strata the hazard ratio represents.

Residency demographic and body site was included because it was significant on univariate analysis. Inclusion in the risk-adjusted model resulted in insufficient power to make the individual categorical hazard ratios meaningful.