Table 1 Some characteristics of ALL patients and controls in the study population
Characteristics | Subgroups | ALL | Controls |
|---|---|---|---|
Total number of subjects | 543 | 529 | |
Gender n (%) | Male | 308 (56.7) | 305 (57.7) |
Female | 235 (43.3) | 224 (42.3) | |
Age at diagnosis, years (mean±SD) | 6.4±4.2 | 16.1±12.4 | |
Number of subjects n (%) | <1 year | 8 (1.5) | - |
1-10 years | 422 (77.7) | 200 (37.8) | |
>10 years | 107 (19.7) | 329 (62.2) | |
N/D | 6 (1.1) | - | |
Risk group n (%) | LR | 96 (17.7) | - |
MR | 309 (56.9) | - | |
HR | 55 (10.1) | - | |
Protocols n (%) | 90 | 131 (24.1) | - |
95 | 250 (46.0) | ||
2002 | 120 (22.1) | - | |
N/D | 42 (7.7) | ||
Immunphenotype n (%) | B-ALL | 390(71.8) | - |
T-ALL | 78 (14.4) | - | |
Cytogenetics n (%) | Hyperdiploidy | 79 (14.5) | - |
Overall survival n (%) | 516* | 414 (85.5)* | - |
Event free survival n (%) | 516* | 418 (81.0)* | - |