Baseline characteristics of patients
Characteristic . | Median, n . | Percent . | Impact on EFS, P . |
|---|---|---|---|
| Age, y (range) | 28 (3-75) | NA | NS |
| Younger than 10 | 5 | 6.9 | NS |
| 11 to 20 | 18 | 25 | NS |
| 21 to 55 | 44 | 61.1 | NS |
| Older than 55 | 5 | 6.9 | NS |
| Sex, M | 38 | 52.8 | NS |
| Duration of symptoms, d (range) | 21 (4-42) | NA | NS |
| Fever | 45 | 62.5 | NS |
| Hemorrhage | |||
| Mucosal | 31 | 43.5 | NS |
| CNS | 2 | 2.8 | NS |
| Organomegaly | 7 | 9.7 | NS |
| Hb level, less than 100 g/L, % | 53 | 73.6 | NS |
| WBC count, × 109/L (range) | |||
| Less than 1 | 7 | 9.7 | NS |
| Less than 2.5 | 34 | 47.2 | NS |
| Less than 5 | 45 | 62.5 | .032 |
| Less than 10 | 55 | 76.3 | NS |
| Platelet count, × 109/L | |||
| More than 10 | 53 | 73.6 | .028 |
| More than 20 | 29 | 40.2 | .020 |
| More than 40 | 12 | 16.6 | NS |
| PT, prolonged | 12 | 16.7 | .023 |
| APTT, prolonged | 3 | 4.2 | .051 |
| LDH (range) | 516 (226-2385) | NA | NS |
| RT-PCR | |||
| bcr 1 | 46 | 63.8 | NS |
| bcr 2 | 5 | 6.9 | NS |
| bcr 3 | 21 | 29.2 | NS |
Characteristic . | Median, n . | Percent . | Impact on EFS, P . |
|---|---|---|---|
| Age, y (range) | 28 (3-75) | NA | NS |
| Younger than 10 | 5 | 6.9 | NS |
| 11 to 20 | 18 | 25 | NS |
| 21 to 55 | 44 | 61.1 | NS |
| Older than 55 | 5 | 6.9 | NS |
| Sex, M | 38 | 52.8 | NS |
| Duration of symptoms, d (range) | 21 (4-42) | NA | NS |
| Fever | 45 | 62.5 | NS |
| Hemorrhage | |||
| Mucosal | 31 | 43.5 | NS |
| CNS | 2 | 2.8 | NS |
| Organomegaly | 7 | 9.7 | NS |
| Hb level, less than 100 g/L, % | 53 | 73.6 | NS |
| WBC count, × 109/L (range) | |||
| Less than 1 | 7 | 9.7 | NS |
| Less than 2.5 | 34 | 47.2 | NS |
| Less than 5 | 45 | 62.5 | .032 |
| Less than 10 | 55 | 76.3 | NS |
| Platelet count, × 109/L | |||
| More than 10 | 53 | 73.6 | .028 |
| More than 20 | 29 | 40.2 | .020 |
| More than 40 | 12 | 16.6 | NS |
| PT, prolonged | 12 | 16.7 | .023 |
| APTT, prolonged | 3 | 4.2 | .051 |
| LDH (range) | 516 (226-2385) | NA | NS |
| RT-PCR | |||
| bcr 1 | 46 | 63.8 | NS |
| bcr 2 | 5 | 6.9 | NS |
| bcr 3 | 21 | 29.2 | NS |
NS indicates not significant; NA, not applicable.