Table 1 patient characteristics for refractory metastatic osteosarcoma
Patient characteristics | N = 52 | % |
|---|---|---|
Gender | ||
Male | 29 | 55.8 |
Female | 23 | 44.2 |
Age | ||
8–14 | 9 | 17.3 |
14–20 | 22 | 42.3 |
> 20 | 21 | 40.4 |
Location of primary lesion | ||
Extremities | 47 | 90.4 |
Axial bone | 5 | 9.6 |
ECOG score | ||
0–2 | 35 | 67.3 |
> 2 | 17 | 32.7 |
Stage at initial diagnosis | ||
Localized | 36 | 69.2 |
Metastatic | 16 | 30.8 |
Location of metastatic lesions | ||
Lung | 40 | 77.0 |
Bone | 4 | 7.7 |
Multiple organ metastasis | 8 | 15.4 |
Previous therapies | ||
Chemotherapy | 52 | 100.0 |
6 months or more | 44 | 84.6 |
Less than 6 months | 8 | 15.4 |
Radiation therapy | 8 | 15.4 |
Surgery | 48 | 92.3 |