Table 3a.
Multivariate Cox Model for RFS: Pooled E1684 and E1690 Trial Data (HDI Versus Observation)
| HR | 95% CI | Pa | |
|---|---|---|---|
| HDI vs observation | 0.82 | (0.67–0.99) | .044 |
| Ulceration vs no ulceration | 1.34 | (1.10–1.65) | .005 |
| Age ≥49 y vs <49 y | 1.20 | (0.99–1.46) | .064 |
| Recurrent disease vs primary disease | 1.33 | (1.09–1.63) | .005 |
| WBC ≥6.9×109/L vs <6.9×109/L | 1.20 | (0.99–1.46) | .067 |
Abbreviations: HDI, high-dose interferon-α; HR, hazard ratio; RFS, recurrence-free survival; WBC, white blood cell count.
a
P value was derived from a Cox model.