Table 3.
Univariate cox model of event-free and overall survival of analyzed patients
| Variable | Hazard ratio | P | 95% CI |
|---|---|---|---|
| Event-free survival | |||
| Age (yrs) at diagnosis (1–9 vs. 10–18) | 2.923 | <0.01 | 1.404–6.089 |
| Gender (male vs. female) | 1.279 | 0.51 | 0.611–2.679 |
| WBC count (×1000 cells/μL)(≥100 vs. <100) | 2.682 | 0.03 | 1.090–6.600 |
| NCI risk (HR vs. SR) | 2.067 | 0.06 | 0.975–4.381 |
| IKZF1 deletion (Yes vs. No) | 3.701 | <0.01 | 1.579–8.675 |
| Overall survival | |||
| Age (yrs) at diagnosis (1–9 vs. 10–18) | 3.188 | <0.01 | 1.406–6.089 |
| Gender (male vs. female) | 0.819 | 0.63 | 0.361–1.857 |
| WBC count (×1000 cells/μL)(≥100 vs. <100) | 2.678 | 0.05 | 0.994–7.216 |
| NCI risk (HR vs. SR) | 2.787 | 0.02 | 1.146–6.776 |
| IKZF1 deletion (Yes vs. No) | 3.069 | 0.03 | 1.139–8.269 |
NCI, National Cancer Institute; SR, standard risk; HR, high risk.