Table 2.
Patients' characteristics.
| Variable | No | % |
|---|---|---|
| 1. Age at diagnosis: | ||
| a) <1 year | 12 | 22.6 |
| b) ≥ 1 year | 41 | 77.4 |
| 2. Sex | ||
| a) Males | 35 | 18 |
| b) Females | 66 | 34 |
| 3. Stage | ||
| a) III | 13 | 24.6 |
| b) IV | 36 | 67.9 |
| c) IVS | 4 | 7.5 |
| 4. Risk group | ||
| a) Low Risk | 4 | 7.5 |
| b) Intermediate Risk | 13 | 24.6 |
| c) High Risk | 36 | 67.9 |
| 5. Primary site | ||
| a) Adrenal glands | 46 | 86.8 |
| b) Paraspinal | 4 | 7.5 |
| c) Pelvis | 2 | 3.8 |
| d) Mediastinal | 1 | 1.9 |
| 6. Metastatic sites | ||
| a) No metastasis | 13 | 24.5 |
| b) Bone marrow | 18 | 34 |
| c) Bone marrow and bone | 14 | 26.4 |
| d) Bone marrow and brain | 2 | 3.8 |
| e) Bone marrow and lung | 1 | 1.9 |
| f) Bone marrow, bone and liver | 1 | 1.9 |
| g) Bone marrow, lung and liver | 1 | 1.9 |
| h) Bone | 1 | 1.9 |
| i) Liver | 1 | 1.9 |
| j) Subcutaneous nodules | 1 | 1.9 |
| 7. MYCN amplification | ||
| a) yes | 11 | 20.8 |
| b) no | 42 | 79.2 |
| 8. Local Radiotherapy administration | ||
| a) yes | 25 | 47.2 |
| b) no | 28 | 52.8 |
| TOTAL | 53 | 100 |