Table 1.
Univariate survival analysis of 54 ES/pPNET patients.
| Classification | Total | Number of deaths | χ2 | P value | |
|---|---|---|---|---|---|
| Location | Midline | 46 | 23 | 1.891 | .169 |
| Nonmidline | 8 | 1 | |||
| Histological location | Soft tissue | 40 | 16 | 5.339 | .069 |
| Organs | 11 | 8 | |||
| Bone | 3 | 0 | |||
| Classification | cPNET | 13 | 8 | 0.988 | .320 |
| ES/pPNET | 54 | 24 | |||
| Therapies | Only S or C | 16 | 10 | 38.628 | .000 |
| S, R, and C | 35 | 11 | |||
| P | 3 | 3 | |||
| Sex | Male | 26 | 12 | 0.222 | .637 |
| Female | 28 | 12 | |||
| Metastasis or not | Metastasis | 26 | 17 | 8.839 | .003 |
| No metastasis | 28 | 7 | |||
| Age | ≥20 | 25 | 10 | 0.119 | .730 |
| <20 | 29 | 14 | |||
C = chemotherapy, cPNET = central nervous system primitive neuroectodermal tumor, ES/pPNET = Ewing’s sarcoma/peripheral primitive neuroectodermal tumor, P = palliative care, R = radiotherapy, S = surgery.