Table 3.
Details of cut-off values for the entire cN+, ypN+, and ypN0 cohort, 3-year and 5-year OS calculated by X-tile.
| Patients | Factors | Cut-off value | Overall Survival (%) | P value |
|---|---|---|---|---|
| Entire Cohort | TLNe | ≤14 | 3-year: 83.8 | 0.129 |
| >14 | 3-year: 87.0 | |||
| TLNe | ≤6 | 5-year: 87.2 | 0.237 | |
| >6 | 5-year: 76.7 | |||
| NLNe | ≤6 | 3-year: 76.0 | 0.003 | |
| >6 | 3-year: 87.2 | |||
| NLNe | ≤6 | 5-year: 73.3 | 0.078 | |
| >6 | 5-year: 78.7 | |||
| cN + Cohort | TLNe | ≤14 | 3-year: 85.1 | 0.317 |
| >14 | 3-year: 86.9 | |||
| TLNe | ≤20 | 5-year: 81.4 | 0.192 | |
| >20 | 5-year: 70.3 | |||
| NLNe | ≤6 | 3-year: 74.6 | 0.001 | |
| >6 | 3-year: 88.3 | |||
| NLNe | ≤6 | 5-year: 71.2 | 0.040 | |
| >6 | 5-year: 79.4 | |||
| ypN + M0 Cohort | TLNe | ≤10 | 3-year: 60.0 | 0.007 |
| >10 | 3-year: 80.4 | |||
| TLNe | ≤10 | 5-year: 52.0 | 0.030 | |
| >10 | 5-year: 66.4 | |||
| NLNe | ≤5 | 3-year: 41.2 | <0.001 | |
| >5 | 3-year: 81.5 | |||
| NLNe | ≤5 | 5-year: 35.3 | <0.001 | |
| >5 | 5-year: 67.6 | |||
| ypN0M0 Cohort | TLNe | ≤19 | 3-year: 86.8 | 0.031 |
| >19 | 3-year: 96.0 | |||
| TLNe | ≤19 | 5-year: 84.0 | 0.030 | |
| >19 | 5-year: 92.3 |
NLNe: Negative lymph nodes examined; TLNe: Total number of lymph nodes examined.