Multivariate analysis of OS
| Parameter . | HR . | 95% CI . | P . |
|---|---|---|---|
| ISS-3 vs ISS-1 | 2.14 | 1.07-4.27 | .03 |
| High-risk cytogenetics | 4.54 | 2.26-9.11 | <.0001 |
| Bone lesions | 3.95 | 1.37-11.38 | .01 |
| Parameter . | HR . | 95% CI . | P . |
|---|---|---|---|
| ISS-3 vs ISS-1 | 2.14 | 1.07-4.27 | .03 |
| High-risk cytogenetics | 4.54 | 2.26-9.11 | <.0001 |
| Bone lesions | 3.95 | 1.37-11.38 | .01 |
All variables that reached P < 0.1 significance in univariate analysis were entered into the multivariate model.