Demographics and diagnoses of the pediatric age group tabulated as NDN versus HDNa
| Variable/Group | NDN (n = 5) (%) | HDN (n = 15) (%) |
|---|---|---|
| Race (white versus nonwhite) | 3 W (100) | 11 W (73), 4 NW (27) |
| Sex (female vs male) | 3 F (60), 2 M (40) | 5 F (33), 10 M (67) |
| Total RT dose mean (SD) (cGy) | 5628 (222) | 5196 (680) |
| Anaplastic astrocytoma | 1 (20.0) | 1 (6.7) |
| Astrocytoma | 0 (0.0) | 3 (20.0) |
| Astrocytoma, pilocytic | 1 (20.0) | 2 (13.3) |
| Desmoplastic nodular medulloblastoma | 0 (0.0) | 1 (6.7) |
| Ependymoma | 1 (20.0) | 2 (13.3) |
| Glioma, malignant | 1 (20.0) | 0 (0.0) |
| Medulloblastoma | 1 (20.0) | 5 (33.3) |
| Primitive neuroectodermal tumor | 0 (0.0) | 1 (6.7) |
Note:—W indicates white; NW, nonwhite.
↵a Note a significantly higher HDN percentage compared with the adult population.