Table 1.
Healthy controls | Nonmetastatic OS patients | Lung metastatic OS patients | |
---|---|---|---|
No. of subjects | 30 | 32 | 33 |
Age, years, mean ± SD | 22 ± 1.55 | 15.28 ± 6.67 | 19.07 ± 10.99 |
Gender (male/female) | 16/14 | 16/16 | 21/12 |
Lesion location | |||
Humerus | 3 | 2 | |
Femur | 17 | 16 | |
Tibia | 10 | 12 | |
Fibula | 2 | 1 | |
Rib | 0 | 1 | |
Ilium | 0 | 1 | |
ALP (U/L) | 222.5 ± 220.3 | 349.7 ± 494.3 | |
LDH (U/L) | 260.1 ± 109.1 | 328.7 ± 225.0 | |
Enneking staging | |||
I | 0 | 0 | |
II | IIA: 18; IIB: 14 | 0 | |
III | 0 | 33 |
OS osteosarcoma, ALP alkaline phosphatase, LDH lactic dehydrogenase