Table 1.
Clinical characteristics of osteosarcoma patients
| Characteristics | Osteosarcoma patients (N = 72) |
|---|---|
| Age (years), mean ± SD | 20.6 ± 13.2 |
| <18 y, No. (%) | 38 (52.8) |
| ≥18 y, No. (%) | 34 (47.2) |
| Gender, No. (%) | |
| Male | 42 (58.3) |
| Female | 30 (41.7) |
| Tumor location, No. (%) | |
| Femur | 38 (52.8) |
| Tibia | 25 (34.7) |
| Others | 9 (12.5) |
| WHO classification of sarcoma, No. (%) | |
| Conventional: chondroblastic | 10 (13.9) |
| Conventional: osteoblastic | 47 (65.3) |
| Conventional: other | 9 (12.5) |
| Telangiectatic | 6 (8.3) |
| Pathological fracture, No. (%) | 14 (19.4) |
| Enneking stage, No. (%) | |
| IIA | 11 (15.3) |
| IIB | 61 (84.7) |
| Surgery type, No. (%) | |
| Amputation | 21 (29.2) |
| Limb salvage | 51 (70.8) |
Abbreviations: SD, standard deviation; WHO, World Health Organization.