Table 3.
Multivariable Analysis for Recurrence-Free Survival
| Prognostic factor | HR | 95% CI for HR | Multivariable p value  | 
|---|---|---|---|
| Margin positive | 1.42 | 1.05–1.91 | 0.02 | 
| Lymph node positive | 3.06 | 2.15–4.34 | <0.001 | 
| <4 lymph nodes evaluated | 1.46 | 1.05–2.04 | 0.03 | 
| Moderate or poor differentiation | 1.97 | 1.40–2.79 | <0.001 |