Table 1. Patient characteristics.
| Characteristic | |
|---|---|
| Gender | |
| Female | 66 (40.7) |
| Male | 96 (59.3) |
| Age/year | |
| <18 | 73 (45.1) |
| ≥18 | 89 (54.9) |
| Tumor site | |
| Extremities | 145 (89.5) |
| Non-extremities | 17 (10.5) |
| Enneking’s surgical staging | |
| I/II | 143 (88.3) |
| III | 19 (11.7) |
| Karnofsky performance status score | |
| ≥80 | 152 (93.8) |
| ≤70 | 10 (6.2) |
| Neoadjuvant chemotherapy | |
| Yes | 131 (80.9) |
| No | 31 (19.1) |
| Pathological fracture | |
| Yes | 18 (11.1) |
| No | 144 (88.9) |
| Local recurrence | |
| Yes | 31 (19.1) |
| No | 131 (80.9) |
| Metastasis | |
| Yes | 78 (48.1) |
| No | 84 (51.9) |
Data presented are number (%).