Results of Cox regression analysis of EFS and OS time from diagnosis
| Prognostic parameter . | Hazard ratio for EFS (95% CI) . | P . | Hazard ratio for OS (95% CI) . | P . |
|---|---|---|---|---|
| del(17p) more than 60% | 3.29 (2.23-4.87) | < .001 | 3.93 (2.54-6.08) | < .001 |
| t(4;14) | 2.79 (2.05-3.79) | < .001 | 2.78 (1.90-4.06) | < .001 |
| β2m greater than 4 mg/L | 1.67 (1.28-2.18) | < .001 | 2.83 (2.02-3.97) | < .001 |
| Hb greater than 100 g/L | 1.38 (1.06-1.81) | .017 | — | — |
| Prognostic parameter . | Hazard ratio for EFS (95% CI) . | P . | Hazard ratio for OS (95% CI) . | P . |
|---|---|---|---|---|
| del(17p) more than 60% | 3.29 (2.23-4.87) | < .001 | 3.93 (2.54-6.08) | < .001 |
| t(4;14) | 2.79 (2.05-3.79) | < .001 | 2.78 (1.90-4.06) | < .001 |
| β2m greater than 4 mg/L | 1.67 (1.28-2.18) | < .001 | 2.83 (2.02-3.97) | < .001 |
| Hb greater than 100 g/L | 1.38 (1.06-1.81) | .017 | — | — |
To convert β2-microglobulin level from milligrams per liter to nanomoles per liter, multiply milligrams per liter by 85.
β2m indicates β2-microglobulin level; Hb, hemoglobin level; and —, not significant.