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Univariate analysis of factors influencing overall survival.
| Variables | Survival (mo) | ||
|---|---|---|---|
| Mean | Median | Significance | |
| Grading | |||
| Well-moderate | 26.7 | 17 | p = 0.009 |
| Poor | 19.8 | 14 | |
| Node status | |||
| No | 24.7 | 16 | p = 0.977 |
| Yes | 23.6 | 15 | |
| Radicality | |||
| No | 26.6 | 17 | p = 0.001 |
| Yes | 19.5 | 10 | |
| Vein resection | |||
| No | 25.8 | 15 | p = 0.301 |
| Yes | 19.9 | 14 | |
