Multivariate analysis for event-free survival
| Parameter . | Chi-square . | P . | Hazard ratio . | 95% Confidence interval . |
|---|---|---|---|---|
| Age, y | ||||
| 31-59 | 5.4 | .02 | 1.51 | 1.07, 2.13 |
| ≥ 60 | 20.4 | < .01 | 2.65 | 1.74, 4.05 |
| Philadelphia chromosome | 9.4 | < .01 | 1.85 | 1.25, 2.74 |
| Systemic risk classification (high) | 5.5 | .02 | 1.72 | 1.09, 2.71 |
| Leukocyte count > 30 x 109/L | 5.7 | .02 | 1.49 | 1.07, 2.07 |
| CD20 expression ≥ 20% | 5.0 | .03 | 1.42 | 1.04, 1.93 |
| Parameter . | Chi-square . | P . | Hazard ratio . | 95% Confidence interval . |
|---|---|---|---|---|
| Age, y | ||||
| 31-59 | 5.4 | .02 | 1.51 | 1.07, 2.13 |
| ≥ 60 | 20.4 | < .01 | 2.65 | 1.74, 4.05 |
| Philadelphia chromosome | 9.4 | < .01 | 1.85 | 1.25, 2.74 |
| Systemic risk classification (high) | 5.5 | .02 | 1.72 | 1.09, 2.71 |
| Leukocyte count > 30 x 109/L | 5.7 | .02 | 1.49 | 1.07, 2.07 |
| CD20 expression ≥ 20% | 5.0 | .03 | 1.42 | 1.04, 1.93 |