Table 1.
Descriptive characteristics of the study population
| Characteristic | Number of patients (%) |
|---|---|
| Overall | 100 (100) |
| Age, years; mean [SD] | 48.6 (range, 14–82) [17.9] |
| Sex | |
| Male | 47 (47) |
| Female | 53 (53) |
| Time from surgery, months; mean [SD] | 47.3 (range, 7–229) [50.1] |
| Tumor location | |
| Soft tissue | 63 (63) |
| Thigh | 37 (37) |
| Knee | 6 (6) |
| Inguinal region | 5 (5) |
| Pelvis | 4 (4) |
| Buttock | 4 (4) |
| Lower leg | 4 (4) |
| Foot | 3 (3) |
| Bone | 37 (37) |
| Femur | 19 (19) |
| Pelvic bone | 13 (13) |
| Tibia | 5 (5) |
| Histologic diagnosis | |
| Soft tissue | |
| Myxoid/round liposarcoma | 13 (13) |
| Well-differentiated liposarcoma | 10 (10) |
| Undifferentiated pleomorphic sarcoma | 8 (8) |
| Synovial sarcoma | 8 (8) |
| Myxofibrosarcoma | 6 (6) |
| Leiomyosarcoma | 3 (3) |
| Others | 15 (15) |
| Bone | |
| Osteosarcoma | 16 (16) |
| Chondrosarcoma | 8 (8) |
| Giant cell tumor of bone | 6 (6) |
| Malignant fibrous histiocytoma of bone | 4 (4) |
| Others | 3 (3) |
| Type of surgery | |
| Ablative surgery | 3 (3) |
| Amputation | 2 (2) |
| Rotationplasty | 1 (1) |
| Limb salvage surgery | 97 (97) |
| Resection only | 67 (67) |
| Resection + prosthesis | 11 (11) |
| Resection + biological reconstruction | 14 (14) |
| Curettage | 5 (5) |