Table 1. Univariate and multivariate analyses of survival.

		P-value
(A) Univariate analysis of survival
	9p21 LOH	0.044
	11q23 LOH	0.0398
	LDH	0.0768
	MYCN	0.0901
(B) Results of the multivariate analysis (Cox models)
Model 1	LDH	0.034
N=89	9p21 LOH	0.066
	LDH+9p21 LOH	0.0181
	likelihood ratio	8.03
Model 2	MYCN	0.059
N=101	9p21 LOH	0.051
	MYCN+9p21 LOH	0.0131
	likelihood ratio	8.67

Only variables with P-values equal or less than 0.1 are listed.