Variable | No. | Mean survival (years) | P value (univariate) | P value (multivariate) | Hazard ratio | 95% CI |
---|---|---|---|---|---|---|
Positive margin | ||||||
 No | 83 | 1.50 | 0.024 |  |  |  |
 Yes | 35 | 0.75 |  |  |  |  |
Regional lymph nodes positive | ||||||
 No | 55 | 1.83 | 0.015 |  |  |  |
 Yes | 63 | 0.92 |  |  |  |  |
TNM stage | ||||||
 I/II | 37 | 2.73 | 0.023 |  |  |  |
 III/IV | 81 | 1.00 |  |  |  |  |
RPL34 | ||||||
 Negative | 27 | 3.73 | < 0.001 | < 0.001 | 0.207 | 0.096–0.445 |
 Positive | 91 | 1.46 |  |  |  |  |