Table 1.

Patient characteristics

CharacteristicsN, %
Number of cases95
Age, y, median (range)9.9 (0.4–19.8)
Gender
 Male63 (66)
 Female32 (33)
Ethnicity
 Hispanic28 (29)
 Non-Hispanic66 (69)
 Unknown1 (1)
FAB
 M06 (6)
 M16 (6)
 M211 (12)
 M34 (4)
 M415 (16)
 M515 (16)
 M75 (5)
 Unknown33 (35)
Cytogenetics
 Favorable23 (24)
 Intermediate63 (66)
 Unfavorable5 (5)
 Unknown4 (4)
Response
 Complete remission78 (82)
 Resistant/fail13 (14)
 Unknown4 (4)
Alive46 (48)
  • NOTE: Cytogenetic aberrations were classified into favorable, intermediate, and unfavorable cytogenetics. Favorable: inv(16), t(8;21), t(15;17) PML/RARA, hyperdiploid, mutated CEBPA; unfavorable: monosomy 7 and t(9;22) BCR/ABL1 translocation. Patients that were not classified as favorable or unfavorable were defined as having intermediate cytogenetics.