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| Characteristic | No | HR | 95% CI | p-value |
|---|---|---|---|---|
| Overall Survival | ||||
| Smoking | ||||
| No | 27 | 1 | ||
| Yes | 21 | 5.932 | 1.324-26.567 | 0.02 |
| Disease-Free Survival | ||||
| Lymph nodes involvement | ||||
| No | 46 | |||
| Yes | 3 | 9.034 | 1.863-43.811 | 0.006 |
| Pathological stage | 0.050 | |||
| Stage 0 (reference) | 19 | 1 | ||
| Stage I | 13 | 0.789 | 0.166-3.752 | 0.766 |
| Stage II | 15 | 1.077 | 0.301-3.856 | 0.909 |
| Stage III | 2 | 0 | 0-0.013 | 0.011 |
HR denotes hazard ration; CI denotes confidence interval.
