Demographic and clinical characteristics of the intervention population
| Variables | n=75 |
| Demographics | |
| Females/males | 29 (39%)/46 (61%) |
| Age at diagnosis (median, range) | 11 years (6–18 years) |
| Danish ethnicity/other ethnicity | 66 (88%)/9 (12%) |
| Diagnoses | |
| Acute lymphoblastic leukaemia | 24 (32.0%) |
| Acute myeloid leukaemia | 4 (5.3%) |
| Myelodysplastic syndrome | V1 (1.3%) |
| Acute promyelocytic leukaemia | 2 (2.8%) |
| Central nervous system tumour | 8 (10.7%) |
| Lymphoma | 14 (18.7%) |
| Extracranial solid tumour | 21 (28.0%) |
| Langerhans cell histiocytosis | 1 (1.3%) |
| Location of tumours | |
| Upper limb | 8 |
| Lower limb | 7 |
| Torso (organs and genitals) | 5 |
| Brain | 8 |
| Treatment | |
| CT | 48 (64.0%) |
| CT+S | 15 (20.0%) |
| CT+RT | 3 (4.0%) |
| CT+RT+S | 9 (12.0%) |
| Vincristine | 61 (81.3%) |
| Stem cell transplantation | 10 (13.3%) |
CT, chemotherapy; RT, radiotherapy; S, surgery.