Table 1.
Clinical characteristics of 78 cases of osteosarcoma.
| Characteristic | Non-SLM | SLM | P value |
|---|---|---|---|
| Sex | 0.412 | ||
| Female | 15 (33.33%) | 14 (42.42%) | |
| Male | 30 (66.67%) | 19 (57.58%) | |
| Pathology | 0.984 | ||
| Osteoblastic | 34 (75.56%) | 25 (75.76%) | |
| Others | 11 (24.44%) | 8 (24.24%) | |
| Location | 0.486 | ||
| Femur | 29 (64.44%) | 17 (51.52%) | |
| Tibia | 8 (17.78%) | 7 (21.21%) | |
| Others | 8 (17.78%) | 9 (27.27%) | |
| Bone destruction | 0.067 | ||
| Mix | 21 (46.67%) | 14 (42.42%) | |
| Osteolytic | 22 (48.89%) | 12 (36.36%) | |
| Osteoblastic | 2 (4.44%) | 7 (21.21%) | |
| Age (years) | 19.49 ± 13.86 | 16.45 ± 7.53 | 0.258 |
| Tumor size (cm) | 6.31 ± 1.32 | 8.09 ± 2.39 | <0.001* |
| ALP (IU/L) | 758.49 ± 2286.19 | 913.30 ± 1659.41 | 0.742 |
| LDH (IU/L) | 256.81 ± 105.03 | 347.63 ± 312.71 | 0.073 |
SLM, synchronous lung metastases; ALP, alkaline phosphatase; LDH, lactate dehydrogenase.
*p < 0.05.