Patient Characteristics at Diagnosis
| Characteristic . | No. of Patients . |
|---|---|
| Total no. of patients | 40 |
| Age (mo) | |
| Median | 11 |
| Range | 1-21 |
| Sex (M:F) | 23:17 |
| WBC (×109/L) | |
| Median | 23.0 |
| Range | 1.0-227.0 |
| EMD | |
| Total no. patients | 11 |
| Site | |
| CNS | 8 |
| Other | 5 |
| FAB classification | |
| M1/2 | 1/5 |
| M4/M5 | 8/13 |
| M7 | 7 |
| RAEB/RAEB-T | 5/1 |
| Cytogenetics | |
| Normal | 3 |
| Monosomy 7 | 5 |
| Abnormal 11(q23) | 10 |
| Other cytogenetic abnormality* | 9 |
| Unknown | 13 |
| Characteristic . | No. of Patients . |
|---|---|
| Total no. of patients | 40 |
| Age (mo) | |
| Median | 11 |
| Range | 1-21 |
| Sex (M:F) | 23:17 |
| WBC (×109/L) | |
| Median | 23.0 |
| Range | 1.0-227.0 |
| EMD | |
| Total no. patients | 11 |
| Site | |
| CNS | 8 |
| Other | 5 |
| FAB classification | |
| M1/2 | 1/5 |
| M4/M5 | 8/13 |
| M7 | 7 |
| RAEB/RAEB-T | 5/1 |
| Cytogenetics | |
| Normal | 3 |
| Monosomy 7 | 5 |
| Abnormal 11(q23) | 10 |
| Other cytogenetic abnormality* | 9 |
| Unknown | 13 |
Hyperdiploidy (n = 2); trisomy 8 (n = 1); trisomy 21 (n = 1); isochrome 8 (n = 1); deletion 9q (n = 1); multiple complex abnormalities (n = 3).