Table 1 Patient demographics
|  | ALL (n = 68) | AML (n = 16) |
|---|---|---|
Age, years median (range) | 9.9 (1.5–23.7) | 9.6 (1.0–19.6) |
Sex | ||
 Female | 22 | 9 |
 Male | 46 | 7 |
Race | ||
 Caucasian | 47 | 10 |
 Black-American | 9 | 1 |
 Asian/Indian | 5 | 4 |
 Native American/Hawaiian | 1 | 0 |
 Other/unknown | 6 | 1 |
Ethnicity | ||
 Hispanic | 21 | 3 |
 Non-Hispanic | 46 | 11 |
 Unknown | 1 | 2 |
Performance score (ECOG) | ||
 0 | 56 | 9 |
 1 | 9 | 7 |
 2 | 3 | 0 |
WBC median, 109/L (range) | 12.8 (0.3–201.1) | 11.6 (0.5–61.8) |
ALL histologic subtype | ||
 pre-B ALL | 52 |  |
 T-ALL | 16 |  |
AML type | ||
 Relapsed |  | 11 |
 Secondary |  | 5 |
AML: prior BMT | ||
 No |  | 12 |
 Yes |  | 4 |