Table 4.

MLL gene rearrangement and 5-year EFS

	CCG 1953
MLL/11q23 abnormality	No. of patients	5-year EFS, %
t(4;11)(q21;q23)	35	29.0
t(11;19)(q23;p13)	20	30.0
t(9;11)(p22;q23)	9	22.2
Other 11q23	15	53.3
Nonrearranged	36	60.3

For the CCG 1953 study, N = 115.