Table 1.
Patient characteristics
Characteristic | |
---|---|
Median age, y (range) | 54.5 (23-60) |
Sex, M:F | 16:14 |
Median WBC, ×109/L (range) | 14.4 (1.5-211) |
Median platelet count, ×109/L (range) | 57 (9-175) |
Cytogenetics, no. subjects (%)* | |
Intermediate, diploid, abn(12p),† +8,† +21 | 15 (50) |
Adverse complex, −7/7q, 11q23,‡ t(6;9) | 13 (43) |
Unknown add(18p), t(2:11)(q31;p15) | 2 (7) |
FLT3-ITD, no. subjects (%) | 4 (13) |
Antecedent hematologic disorder, no. subjects (%) | 8 (27) |
WBC, no. subjects (%) | |
> 100 000 | 5 (17) |
> 50 000 | 8 (27) |
≥ 1 Adverse molecular feature, no. subjects (%)§ | 17 (57) |
≥ 1 Adverse feature, no. subjects (%)¶ | 25 (83) |
The majority of subjects had at least 1 adverse prognostic feature.
ECOG/SWOG criterion.2
abn(12p), +8 are considered adverse risk by CALGB.1
t(11;19)(q23;p13.1), t(10;11)(p12;q23).
Adverse karyotype or FLT3-ITD.
Adverse molecular features or antecedent hematologic disorder, age ≥ 55, WBC > 50 000.