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Demographic and clinical characteristics.
| N | 337 |
|---|---|
| Age (yrs) (no. [%]) | |
| 0–10 | 20 (6.4) |
| 11–20 | 118 (38.1) |
| 21–30 | 84 (27.1) |
| 31–40 | 36 (11.6) |
| >40 | 52 (16.8) |
| Pathologic diagnosis (no. [%]) | |
| Osteosarcoma | 253 (75.1) |
| Ewing sarcoma | 25 (7.4) |
| Giant cell tumor of bone | 23 (6.8) |
| Others | 36 (10.7) |
| Surgery (no. [%]) | |
| Amputation | 47 (13.9) |
| Limb salvage | 290 (86.1) |
| Allograft (alone or combined with autograft) | 78 |
| Autograft | 165 |
| Prostheses | 37 |
| Distraction osteogenesis | 10 |
