Table 3. Univariate and multivariate analyses of disease-free survival in osteosarcoma patients.
| Factors | Univariate analyses | multivariate analyses | ||||
| HR | 95% CI | p | HR | 95% CI | p | |
| Age(year) | 1.358 | 0.872-1.895 | 0.218 | - | - | - |
| Gender | 1.472 | 0.649-2.174 | 0.143 | - | - | - |
| Tumor size | 1.785 | 0.895-2.442 | 0.089 | - | - | - |
| Anatomical location | 1.561 | 0.672-2.136 | 0.137 | - | - | - |
| Clinical stage | 3.319 | 1.327-5.427 | 0.004 | 3.018 | 1.218-4.775 | 0.009 |
| Distant metastasis | 3.275 | 1.218-4.882 | 0.006 | 2.886 | 1.058-4.274 | 0.014 |
| GAS6-AS2 expression | 3.175 | 1.327-5.018 | 0.003 | 2.947 | 1.157-4.653 | 0.008 |