Table 4.
Risk factors for dedifferentiated chondrosarcoma on multivariate analysis
| Imaging feature | OR | 95% CI (Low) | 95% CI (High) | Coefficient | p-Value |
|---|---|---|---|---|---|
| Pathologic fracture | 4.911 | 0.726 | 33.208 | 1.592 | 0.103 |
| > 2/3 Endosteal scalloping | 5.277 | 0.756 | 36.890 | 1.635 | 0.094 |
| Medullary expansion | 0.271 | 0.050 | 1.481 | − 1.315 | 0.133 |
| Periosteal reaction | 3.663 | 0.783 | 17.134 | 1.241 | 0.099 |
| Cortical thickening | 4.690 | 0.860 | 25.572 | 1.526 | 0.074 |
| Marrow edema | 8.586 | 1.707 | 43.188 | 2.263 | 0.0091* |
| Soft-tissue involvement | 1.444 | 0.276 | 7.554 | 0.324 | 0.664 |
| Intercept | − 4.398 | < 0.001* |
* Significant at p < 0.05