Table 1 Demographic and cytogenetic features of the study cohort
Variable | Group: No. (%) or Median [IQR] a | ||
|---|---|---|---|
Primary BCP-ALL | Relapse BCP-ALLb | Controls | |
Total no. in each group | 40 | 10 | 4 |
Gender | |||
Male | 24 (60) | 5 (50) | 2 (50) |
Female | 16 (40) | 5 (50) | 2 (50) |
Age at recruitment, year | 5.8 (3.1–8.2) | 9.7 (5.2–10.9) | 15.7 (12.3–19.6) |
Cytogenetic features | NA | ||
BCR-ABL1 | 10 (25) | 1 (10) | |
Hyperdiploid | 10 (25) | 0 (0) | |
ETV6-RUNX1 | 1 (3) | 0 (0) | |
MLL rearrangement | 0 (0) | 1 (10) | |
Others§ | 19 (48) | 5 (50) | |