Patient Characteristics
| . | Eligible Patients . | Protocol Patients . | Nonprotocol Patients . | |||
|---|---|---|---|---|---|---|
| N (259) . | %3-150 . | N (218) . | %3-150 . | N (41) . | %3-150 . | |
| Sex | ||||||
| Boys | 144 | 56 | 123 | 56 | 21 | 51 |
| Girls | 115 | 44 | 95 | 44 | 20 | 49 |
| Age (yrs) | ||||||
| <1 | 3 | 1 | 3 | 1 | 0 | 0 |
| 1-9 | 213 | 82 | 177 | 81 | 36 | 88 |
| ≥10 | 43 | 17 | 38 | 17 | 5 | 12 |
| Risk factor | ||||||
| <0.8 | 101 | 40 | 82 | 38 | 19 | 58 |
| 0.8-1.2 | 84 | 33 | 76 | 35 | 8 | 24 |
| 1.2-1.7 | 58 | 23 | 52 | 24 | 6 | 18 |
| ≥1.7 | 8 | 3 | 8 | 4 | 0 | 0 |
| Unknown | 8 | 0 | 8 | |||
| Hb (mmol/L) | ||||||
| <5 | 140 | 54 | 118 | 54 | 22 | 54 |
| ≥5 | 118 | 46 | 99 | 45 | 19 | 46 |
| Unknown | 1 | 1 | 0 | |||
| WBC (×109/L) | ||||||
| <10 | 121 | 47 | 95 | 44 | 26 | 63 |
| 10-<50 | 89 | 34 | 77 | 35 | 12 | 29 |
| 50-<100 | 23 | 9 | 21 | 10 | 2 | 5 |
| ≥100 | 26 | 10 | 25 | 11 | 1 | 2 |
| Platelets (×109/L) | ||||||
| <50 | 122 | 47 | 103 | 47 | 19 | 46 |
| 50-<100 | 61 | 24 | 54 | 25 | 7 | 17 |
| ≥100 | 75 | 29 | 60 | 28 | 15 | 37 |
| Unknown | 1 | 1 | 0 | |||
| CNS disease | 5 | 2 | 5 | 2 | 0 | 0 |
| Mediastinal mass | 21 | 8 | 19 | 9 | 2 | 5 |
| FAB | ||||||
| L1 | 196 | 76 | 166 | 76 | 30 | 73 |
| L2 | 57 | 22 | 47 | 22 | 10 | 24 |
| L3 | 0 | 0 | 0 | 0 | 0 | 0 |
| AUL | 4 | 2 | 3 | 2 | 1 | 2 |
| Unknown | 2 | 2 | 0 | |||
| Immunophenotype | ||||||
| AUL | 0 | 0 | 0 | 0 | 0 | 0 |
| Pro-B-ALL | 10 | 4 | 10 | 5 | 0 | 0 |
| C-ALL | 141 | 58 | 115 | 55 | 26 | 70 |
| Pre-B-ALL | 57 | 23 | 48 | 23 | 9 | 25 |
| T-ALL | 36 | 15 | 34 | 16 | 2 | 5 |
| Other | 1 | 0 | 1 | 0 | 0 | 0 |
| Not determined | 14 | 10 | 4 | |||
| Cellploidy3-150 | ||||||
| Diploid | 35 | 20 | 30 | 21 | 5 | 15 |
| Hypodiploid <46 | 7 | 4 | 5 | 4 | 2 | 6 |
| Hyperdiploid 47-50 | 23 | 13 | 17 | 12 | 6 | 18 |
| Hyperdiploid >50 chr | 55 | 32 | 44 | 31 | 11 | 33 |
| Pseudodiploid | 49 | 28 | 41 | 29 | 8 | 24 |
| Polyploid | 3 | 2 | 2 | 1 | 1 | 3 |
| Not evaluable3-151 | 57 | 55 | 2 | |||
| Not determined | 30 | 24 | 6 | |||
| DNA index3-150 | ||||||
| <1.16 | 118 | 75 | 114 | 75 | 4 | 67 |
| ≥1.16 | 40 | 25 | 38 | 25 | 2 | 33 |
| Not determined | 101 | 66 | 35 | |||
| Chromosome structural anomalies3-150 | ||||||
| Absent | 54 | 35 | 45 | 36 | 9 | 30 |
| Present | 100 | 65 | 79 | 64 | 21 | 70 |
| Not evaluable | 75 | 70 | 5 | |||
| Not determined | 30 | 24 | 6 | |||
| Down’s syndrome | 6 | 2 | 4 | 2 | 2 | 5 |
| Prednison response on day 83-150 | ||||||
| <1,000 blasts/μL | 198 | 94 | ||||
| ≥1,000 blasts/μL | 12 | 6 | ||||
| Unknown | 8 | |||||
| . | Eligible Patients . | Protocol Patients . | Nonprotocol Patients . | |||
|---|---|---|---|---|---|---|
| N (259) . | %3-150 . | N (218) . | %3-150 . | N (41) . | %3-150 . | |
| Sex | ||||||
| Boys | 144 | 56 | 123 | 56 | 21 | 51 |
| Girls | 115 | 44 | 95 | 44 | 20 | 49 |
| Age (yrs) | ||||||
| <1 | 3 | 1 | 3 | 1 | 0 | 0 |
| 1-9 | 213 | 82 | 177 | 81 | 36 | 88 |
| ≥10 | 43 | 17 | 38 | 17 | 5 | 12 |
| Risk factor | ||||||
| <0.8 | 101 | 40 | 82 | 38 | 19 | 58 |
| 0.8-1.2 | 84 | 33 | 76 | 35 | 8 | 24 |
| 1.2-1.7 | 58 | 23 | 52 | 24 | 6 | 18 |
| ≥1.7 | 8 | 3 | 8 | 4 | 0 | 0 |
| Unknown | 8 | 0 | 8 | |||
| Hb (mmol/L) | ||||||
| <5 | 140 | 54 | 118 | 54 | 22 | 54 |
| ≥5 | 118 | 46 | 99 | 45 | 19 | 46 |
| Unknown | 1 | 1 | 0 | |||
| WBC (×109/L) | ||||||
| <10 | 121 | 47 | 95 | 44 | 26 | 63 |
| 10-<50 | 89 | 34 | 77 | 35 | 12 | 29 |
| 50-<100 | 23 | 9 | 21 | 10 | 2 | 5 |
| ≥100 | 26 | 10 | 25 | 11 | 1 | 2 |
| Platelets (×109/L) | ||||||
| <50 | 122 | 47 | 103 | 47 | 19 | 46 |
| 50-<100 | 61 | 24 | 54 | 25 | 7 | 17 |
| ≥100 | 75 | 29 | 60 | 28 | 15 | 37 |
| Unknown | 1 | 1 | 0 | |||
| CNS disease | 5 | 2 | 5 | 2 | 0 | 0 |
| Mediastinal mass | 21 | 8 | 19 | 9 | 2 | 5 |
| FAB | ||||||
| L1 | 196 | 76 | 166 | 76 | 30 | 73 |
| L2 | 57 | 22 | 47 | 22 | 10 | 24 |
| L3 | 0 | 0 | 0 | 0 | 0 | 0 |
| AUL | 4 | 2 | 3 | 2 | 1 | 2 |
| Unknown | 2 | 2 | 0 | |||
| Immunophenotype | ||||||
| AUL | 0 | 0 | 0 | 0 | 0 | 0 |
| Pro-B-ALL | 10 | 4 | 10 | 5 | 0 | 0 |
| C-ALL | 141 | 58 | 115 | 55 | 26 | 70 |
| Pre-B-ALL | 57 | 23 | 48 | 23 | 9 | 25 |
| T-ALL | 36 | 15 | 34 | 16 | 2 | 5 |
| Other | 1 | 0 | 1 | 0 | 0 | 0 |
| Not determined | 14 | 10 | 4 | |||
| Cellploidy3-150 | ||||||
| Diploid | 35 | 20 | 30 | 21 | 5 | 15 |
| Hypodiploid <46 | 7 | 4 | 5 | 4 | 2 | 6 |
| Hyperdiploid 47-50 | 23 | 13 | 17 | 12 | 6 | 18 |
| Hyperdiploid >50 chr | 55 | 32 | 44 | 31 | 11 | 33 |
| Pseudodiploid | 49 | 28 | 41 | 29 | 8 | 24 |
| Polyploid | 3 | 2 | 2 | 1 | 1 | 3 |
| Not evaluable3-151 | 57 | 55 | 2 | |||
| Not determined | 30 | 24 | 6 | |||
| DNA index3-150 | ||||||
| <1.16 | 118 | 75 | 114 | 75 | 4 | 67 |
| ≥1.16 | 40 | 25 | 38 | 25 | 2 | 33 |
| Not determined | 101 | 66 | 35 | |||
| Chromosome structural anomalies3-150 | ||||||
| Absent | 54 | 35 | 45 | 36 | 9 | 30 |
| Present | 100 | 65 | 79 | 64 | 21 | 70 |
| Not evaluable | 75 | 70 | 5 | |||
| Not determined | 30 | 24 | 6 | |||
| Down’s syndrome | 6 | 2 | 4 | 2 | 2 | 5 |
| Prednison response on day 83-150 | ||||||
| <1,000 blasts/μL | 198 | 94 | ||||
| ≥1,000 blasts/μL | 12 | 6 | ||||
| Unknown | 8 | |||||