Table 3.
Characteristics according to DNA ploidy of 76 children and adolescents with acute lymphoblastic leukemia treated at three referral centers in Ceará, Brazil, between September 2007 and December 2009.
| DI < 1.16 (n = 47) | DI > 1.16 (n = 11) | p-value | |
|---|---|---|---|
| Age – n (%) | |||
| 1 < 5 years | 24 (51) | 7 (63.6) | 0.309 |
| 5 < 9 years | 14 (30) | 4 (36.4) | |
| ≥9 years | 9 (19) | – | |
| Risk group – n (%) | |||
| Low | 25 (53.2) | 10 (91) | 0.037 |
| High | 22 (46.8) | 1 (9.0) | |
| Immunophenotype – n (%) | |||
| B | 44 (93.6) | 11 (100) | 1.000 |
| T | 3 (54) | – | |
| Initial WBC count – n (%) | |||
| <20.0 × 109 cells/L | 27 (57.5) | 11 (100) | 0.028 |
| >20.0–50.0 × 109 cells/L | 8 (17) | – | |
| >50.0 × 109 cells/L | 12 (25.5) | – | |
| CD10 – n (%) | |||
| Positive | 42 (89.4) | 11 (100) | 0.572 |
| Negative | 5 (10.6) | – | |
Values are expressed in absolute numbers of patients with certain characteristics (percentage relative to the total number of patients in their subgroup in parentheses).
DI: DNA Index.