Table 4.

Cox regression univariate and multivariable analyses.

	Overall survival		Melanoma-specific survival
Variable	Hazard ratio [95% CI]	p-value	Hazard ratio [95% CI]	p-value
Unadjusted
Prevalent tumors
Absent	1.00 [ref]	–	1.00 [ref]	–
Present	2.23 [1.59 – 3.15]	<0.001	1.25 [0.66 – 2.36]	0.498
Adjusted a
Prevalent tumors
Absent	1.00 [ref]	–	1.00 [ref]	–
Present	1.72 [1.19 - 2.47]	0.004	1.23 [0.64 - 2.38]	0.530

^aAdjusted for sex, age, and TNM stage.