Table 4.

Factors predictive of CNS relapse

	RHR	P
Age at diagnosis	.012
Less than 2 y to 2 to 5 y	2.31
6 to 9 y to 2 to 5 y	1.11
CNS-2/CNS-1	3.96	.002
Hepatomegaly	< .001
Moderate-normal*	2.84
Significant-normal†	9.78
Male-female	2.72	< .001
Mediastinal mass	.08
Less than one third thoracic diameter to no mass	1.8
One third or more thoracic diameter to no mass	5.4

^*Not below the umbilicus.

^†Below the umbilicus.