Table 1.
Socio-demographic characteristics of participating children
| Participants | T1 | T2 | Pooled data |
|---|---|---|---|
| Total number, n | 83 | 87 | 170 |
| Sex, n (%) | |||
| Boys | 47 (57) | 50 (57) | 97 (57) |
| Girls | 36 (43) | 37 (43) | 73 (43) |
| Age at diagnosis, median (range) | 12 (7-16) | 12 (7-16) | 12 (7-16) |
| Age groups, n (%) | |||
| 7-12 years | 43 (52) | 44 (51) | 87 (51) |
| 13-16 years | 40 (48) | 43 (49) | 83 (49) |
| School grade at diagnosis, median (range) | 6 (1-9) | 6 (1-9) | 6 (1-9) |
| Siblings living at home, n (%) | 73 (88) | 77 (88) | 150 (88) |
| Diagnoses, n (%) | |||
| Acute lymphoblastic leukaemia | 24 (29) | 26 (30) | 50 (29) |
| Acute myeloid leukaemia | 4 (5) | 5 (6) | 9 (5) |
| CNSa tumours | 13 (16) | 13 (15) | 26 (15) |
| Non - Hodgkin's lymphoma | 11 (13) | 10 (12) | 21 (12) |
| Hodgkin's Lymphoma | 8 (10) | 9 (10) | 17 (10) |
| Neuroblastoma | 0 | 1 (1) | 1 (1) |
| Sarcoma | 16 (19) | 16 (18) | 32 (19) |
| Rhabdomyosarcoma | 4 (5) | 4 (5) | 8 (5) |
| Otherb | 3 (3) | 3 (3) | 6 (4) |
a Central nervous system
b Germ cells tumor, Soft tissue sarcoma (nerve), Sertoli leydig cell tumor, Synovial sarcoma, Teratoma and a mixed tumor