Table 2.

Univariate analysis (simple logistic regression model) of predictors of long-term survival

	Odds ratio	95% Confidence interval	p-value
Age ≤ 65 at metastatic diagnosis	3.63	1.43-9.17	0.005
Metastasis-free interval > 40 mo	2.61	1.08-6.31	0.03
Orange pigment over melanoma	4.20	1.48-11.9	0.005
Smaller largest diameter of the largest liver metastasis	0.97	0.94-0.99	0.034
Metastasis diagnosis by surveillance testing	2.90	1.04-8.04	0.037
Lower ECOG performance status	0.34	0.15-0.74	0.007
Asymptomatic patient	3.61	1.36-9.55	0.008
Unaltered lactate dehydrogenase	4.63	1.77-12.05	0.001
Unaltered aspartate transaminase	9.17	2.46-34.48	< 0.001
Unaltered alanine transaminase	6.90	1.85-25.64	0.002
Unaltered alkaline phosphatase	20.41	2.55-166.67	< 0.001
Unaltered gamma glutamyl transpeptidase	9.17	3.02-27.78	< 0.001
Surgery of first metastasis	8.67	2.56-29.41	< 0.001

ECOG, Eastern Cooperative Oncology Group.