Table 3.
Effect of the LN ratio and the total number of LNs removed on overall survival adjusting for age and tumor size (n = 1,143)
| Variable | p | Hazard ratio |
95 % CI |
|---|---|---|---|
| Effect of no. of LNs removed | |||
| No. of LNs removed: >8 versus ≤8 |
0.0231 | 0.66 | 0.46–0.94 |
| Median age: >59 versus ≤59 years |
<0.0001 | 3.23 | 2.22–4.71 |
| Tumor size: 1-fold increase | <0.0001 | 1.71 | 1.38–2.11 |
| Effect of LN ratio | |||
| Median LN ratio: >0.29 versus ≤0.29 |
0.029 | 1.50 | 1.04–2.15 |
| Median age: >59 versus ≤59 years |
<0.0001 | 3.24 | 2.23–4.71 |
| Tumor size: 1-fold increase | <0.0001 | 1.63 | 1.3–2.04 |