Table 2.
Comparison of lymph node ratio (LNR) and pN category of the TNM system for disease-free survival (DFS) and cancer-related survival (CRS)
| DFS (%) | Mean DFS (years)a | 95% CI* | P | ||
|---|---|---|---|---|---|
| LNR |
<0.20 |
73.9 |
7.54 |
6.60 to 8.48 |
0.008 |
| ≥0.20 |
53.8 |
5.35 |
4.05 to 6.65 |
||
| N |
1 |
78.8 |
8.07 |
7.13 to 9.02 |
< 0.001 |
| 2 |
50.0 |
4.85 |
3.82 to 5.87 |
||
| |
|
CRS (%) |
Mean CRS (years)* |
95% CI* |
P |
| LNR |
<0.20 |
78.4 |
7.92 |
7.01 to 8.84 |
0.007 |
| ≥0.20 |
55.8 |
5.85 |
4.61 to 7.09 |
||
| N |
1 |
78.8 |
8.18 |
7.23 to 9.13 |
0.002 |
| 2 | 58.1 | 5.41 | 4.53 to 6.29 |
aEstimation is limited to longest follow-up time.