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Results of the multivariate analyses on LPFS, DFS and OS
| Factor | p-value LPFS | p-value DFS | p-value OS |
|---|---|---|---|
| Stage IVa versus IVb | >0.1 | >0.1 | 0.16 |
| Stage N2 versus N3 | 0.045 | >0.1 | >0.1 |
| CR versus PR | <0.001 | <0.001 | <0.001 |
| Distant metastases | >0.1 | -- | 0.01 |
| Loco-regional recurrence | -- | -- | 0.006 |
| Age (>/= or <55 years) | 0.041 | 0.003 | >0.1 |
| Alcohol abuse | >0.1 | 0.027 | >0.1 |
