Table 3. Clinicopathological features of 78 localized EWS patients.
| Characteristics | N. | % | Association with prognosis EFS (P value) |
|---|---|---|---|
| Gender | |||
| Female | 31 | 39.7 | 0.760 |
| Male | 47 | 60.3 | |
| Age | |||
| ≤ 14 years | 27 | 34.6 | 0.160 |
| > 14 years | 51 | 65.4 | |
| Location | |||
| Extremities | 53 | 67.9 | 0.637 |
| Pelvis | 18 | 23.1 | |
| Central | 7 | 9.0 | |
| Local treatment | |||
| Surgery | 51 | 65.4 | 0.250 |
| Surgery + RXT | 17 | 21.8 | |
| RXT | 10 | 12.8 | |
| Chemoprotocol | |||
| EWS-REN | 16 | 20.5 | 0.540 |
| ISG/SSG III | 58 | 74.4 | |
| Other | 4 | 5.1 | |
| Response to chemotherapy | |||
| Good | 25 | 32.0 | 0.001 |
| Poor | 40 | 51.3 | |
| ND | 13 | 16.7 | |
| EFS (Status) | |||
| NED | 39 | 50.0 | |
| REL | 39 | 50.0 |