Table 5.
Comparison between early and late relapse
| Variable | Early relapse (n = 7) | Late relapse (n = 9) | p value |
|---|---|---|---|
| WBC count, × 109/L | 83 | 8 | 0.081 |
| Age, years | 35 | 20 | 0.079 |
| Male | 4 (57.1%) | 8 (88.9%) | 0.262 |
| Female | 3 (42.9%) | 1 (11.1%) | |
| Cytogenetics | |||
| High risk | 0 | 1 (11.1%) | 1 |
| Standard risk | 2 (28.5%) | 5 (55.5%) | |
| CNS involvement | 0 | 0 | |
| EM involvement | 4 (44.4%) | 3 (33.3%) | 0.615 |
| B-cell ALL | 1 (14.3%) | 6 (66.7%) | 0.06 |
| T-cell ALL | 6 (85.7%) | 3 (33.3%) | |
| HSCT | 5 (71%) | 9 (100%) | 0.37 |
WBC, white blood cell; ALL, acute lymphoblastic leukemia; CNS, central nervous system; EM, extramedullary; HSCT, hematopoietic stem-cell transplantation.