Table A2.

AALL03N1 Cohort: Treatment by COG Protocol by Ethnicity

Protocol	Non-Hispanic White		Hispanic		Entire Cohort		P
	No.	%	No.	%	No.	%
Low/standard risk							.87
POG 9904	12	7.6	0	0.0	12	3.7
POG 9905	6	3.8	2	1.2	8	2.4
CCG 1922	0	0.0	1	0.6	1	0.3
CCG 1991	73	46.2	40	23.7	113	34.6
AALL0331	11	7.0	65	38.5	76	23.2
Total	102	64.6	108	63.9	210	64.2
High risk							.87
POG 9906	4	2.5	0	0.0	4	1.2
CCG 1961	26	16.5	21	12.4	47	14.4
AALL0031	0	0.0	1	0.6	1	0.3
AALL0232	25	15.8	34	20.1	59	18.0
AALL0434	0	0.0	3	1.8	3	0.9
Total	55	34.8	59	34.9	114	34.8

Abbreviations: AALL, acute lymphoblastic leukemia trial; CCG, Children's Cancer Group; COG, Children's Oncology Group; POG, Pediatric Oncology Group.