Table 2. Initial Patient Characteristics... | American Society of Hematology

Table 2.

Initial Patient Characteristics of the Two Study Populations

	All Patients	AIEOP	BFM	P Value
n	61	23	38
Male (%)	66	61	68	.58^*
Age
Median (yr)	7.5	7.4	7.7	.72^†
Min/max (yr)	1.2/16.6	1.2/14.9	2.2/16.6
WBC
Median (×10⁶/L)	75,000	150,000	73,550	.13^†
Min/max (×10⁶/L)	2,200/572,200	5,400/572,200	2,200/410,000
BFM RF (median)^‡	1.24	1.33	1.22	.82^†
Immunophenotype^1-153
Common (%)	77	70	82	.35^*
Pre-B (%)	16	22	13	.48^*
T (%)	5	4	5	1.0^*
≥1 My marker^1-155 (%)	29	37	25	.51^*
PPR¶ (%)	35	38	33	.78^*

	All Patients	AIEOP	BFM	P Value
n	61	23	38
Male (%)	66	61	68	.58^*
Age
Median (yr)	7.5	7.4	7.7	.72^†
Min/max (yr)	1.2/16.6	1.2/14.9	2.2/16.6
WBC
Median (×10⁶/L)	75,000	150,000	73,550	.13^†
Min/max (×10⁶/L)	2,200/572,200	5,400/572,200	2,200/410,000
BFM RF (median)^‡	1.24	1.33	1.22	.82^†
Immunophenotype^1-153
Common (%)	77	70	82	.35^*
Pre-B (%)	16	22	13	.48^*
T (%)	5	4	5	1.0^*
≥1 My marker^1-155 (%)	29	37	25	.51^*
PPR¶ (%)	35	38	33	.78^*

*Fisher exact test.

Wilcoxon test.

The BFM RF was not available from 1 patient.

Only 1 patient was diagnosed with pre-pre-B ALL.

Data available from 52 patients.

¶Data for prednisone response available from 57 patients.