Table 2.

Patient characteristics and EFS outcome

Variable	Subgroup	# Patients (%)	EFS ±S.E. @ 5 years	P-value
Race	White	65 (76)	78 ± 5	0.65
	Non-White	20 (24)	79 ± 9
Sex	Male	54 (64)	83 ± 5	0.2
	Female	31 (36)	70 ± 8
Age at study entry	0 to 4	14 (17)	77 ± 12	0.17
	5 to 9	23 (27)	91 ± 6	0.63 (trend)
	10+	48 (56)	72 ± 7
LDH	< 2X Normal	58 (68)	78 ± 6	0.72
	> 2X Normal	27 (32)	78 ± 8
Marrow disease	No	73 (86)	79 ± 5	0.86
	Yes	12 (14)	74 ± 13
CNS disease	No	82 (94)	79 ± 5	<0.05(2)
	Yes	3 (5)	2/3 fail
Ant. MM > 1/3(1)	Yes	57 (67)	77 ± 6	0.63
	No	27 (32)	80 ± 8
	Unknown	1 (1)
Induction Response	CR1	36 (42)	83 ± 6(3)	0.73
	CR2	31 (37)	76 ± 8(3)
	Unknown	18 (21)	-

⁽¹⁾Ant MM: Anterior mediastinal mass;

⁽²⁾Permutaton logrank test;

⁽³⁾post-induction EFS