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Multivariate Cox Model for OS: Pooled E1684 and E1690 Trial Data (HDI Versus Observation)
| HR | 95% CI | Pa | |
|---|---|---|---|
| Ulceration vs no ulceration | 1.34 | (1.09–1.64) | .006 |
| Age ≥49 y vs <49 y | 1.22 | (1.01–1.49) | .041 |
| Recurrent disease vs primary disease | 1.32 | (1.08–1.62) | .006 |
| WBC ≥6.9×109/L vs <6.9×109/L | 1.21 | (1.00–1.47) | .055 |
Abbreviations: HDI, high-dose interferon-α; HR, hazard ratio; OS, overall survival; WBC, white blood cell count.
P value was derived from a Cox model.
