Table 2.
Correlation between clinicopathologic factors and survival rate
| Characters | Average survival time (months) | 5-year survival rate | P-value* |
|---|---|---|---|
| Sex | |||
| Female | 64 | 58.6 | 0.342 |
| Male | 67.2 | 51.3 | |
| Age | |||
| <20 | 70.5 | 57.9 | 0.312 |
| ≥20 | 56.8 | 37.3 | |
| Tumor size (cm) | |||
| <8 | 72.8 | 61.2 | 0.968 |
| ≥8 | 59 | 43.7 | |
| Enneking stage | |||
| I | 46.3 | 71.4 | 0.006 |
| II | 72.9 | 55.9 | |
| III | 29.5 | 45.4 | |
| Site | |||
| Femur | 74.2 | 62.1 | 0.065 |
| Tibia | 50.9 | 82.8 | |
| Humerus | 45.9 | 31.9 | |
| Fibula | 39.6 | 40 | |
| Others | 35.1 | 0 | |
| Histopathology | |||
| Osteoblastic | 50 | 42.7 | 0.083 |
| Fibroblastic | 53.2 | 65 | |
| Chondroblastic | 29.2 | 23.4 | |
| Telangiectatic | 80 | 83.3 | |
| Others | 87.2 | 77.8 | |
| Metastasis | |||
| No | 73.4 | 56.8 | 0.001 |
| Yes | 29.5 | 45.4 | |
| Response to chemotherapy | |||
| Poor | 54.2 | 35.7 | 0.043 |
| Good | 82.6 | 71.6 | |
| HDGF | |||
| Low | 73.7 | 62.5 | 0.613 |
| High | 39.7 | 0 | |
Note:
*
Log-rank test.
Abbreviation: HDGF, hepatoma-derived growth factor.