Table 1.

Characteristics of patients enrolled

Stratum
ALL, <20 yALL, >20 yAML
n221113
Median age (range)9.7 (1-20)35.4 (21-61)46.9 (2.6-73)
Male (%)505039
T phenotype (%)12 (55)1 (10)NA
Median duration of aminopterin therapy, wk (range)4 (1-19)6 (4-8)3 (1-8)
  • NOTE: Patients were enrolled in three strata: children with ALL, adults with ALL, and all those with AML.

    Abbreviation: NA, not applicable.