Table IV.
Multivariate analysis of disease-free survival.
| Variables | Standard error | Hazard ratio | 95% CI | P-value |
|---|---|---|---|---|
| Grouping | 0.351 | 1.481 | 0.242–0.958 | 0.037 |
| N downstaging | 0.253 | 2.145 | 1.125–3.523 | 0.032 |
CI, confidence interval.
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