Clinical characteristic of ALL and control patients
| ALL Patients | Control Patients | Student t test | |
|---|---|---|---|
| Number | 42 | 22 | |
| Number (%) male | 27 (64) | 15 (68) | |
| Age at examination (y) | |||
| Range | 6.9–27.6 | 7.2–31.8 | P = .16 |
| Mean ± SD | 17.4 ± 4.6 | 15.4 ± 5.5 | |
| Age at diagnosis (y) | |||
| Range | 1.2–13.7 | 0.5–13.0 | P = .46 |
| Mean ± SD | 5.2 ± 2.9 | 5.9 ± 4.0 | |
| Interval from diagnosis (y) | |||
| Range | 5.0–18.8 | 5.6–20.4 | P = .015 |
| Mean ± SD | 12.2 ± 3.6 | 9.5 ± 4.2 |
Note:—ALL indicates acute lymphoblastic leukemia.