Table 3.

Spearman analysis of correlation between four-gene signature and clinicopathological features in GSE49710.

Variables	Risk score group
	spearman correlation	P-value
Age at diagnosis	0.530	<0.0001
MYCN amplified	0.577	<0.0001
High Risk	0.714	<0.0001
INSS stage	0.588	<0.0001
Class label	0.767	<0.0001
Progression	0.473	<0.0001
Death from disease	0.533	<0.0001
EFS days	-0.367	<0.0001
OS days	-0.362	<0.0001