Table1 Clinical features of OS patients with or without lung metastasis
Clinical features | OS patients with lung metastasis | OS patients without lung metastasis | P value |
|---|---|---|---|
(n, %) | (n, %) | ||
All patients | 22(100) | 65(100) | |
Age at diagnosis, year | |||
≤ 18 | 19(86.4) | 54(83.1) | 0.7169 |
> 18 | 3(13.6) | 11(16.9) | |
Gender | |||
Male | 10(45.5) | 40(61.5) | 0.1872 |
Female | 12(54.5) | 25(38.5) | |
Tumor site | |||
Femur | 14(63.7) | 26(40.0) | 0.2483 |
Tibia | 3(13.6) | 18(27.7) | |
Fibula | 1(4.5) | 7(10.8) | |
Others | 4(18.2) | 14(21.5) | |
Relapse | |||
Yes | 14(63.6) | 24(36.9) | 0.0290* |
No | 8(36.4) | 41(63.1) | |