Table 2.
Five-year overall survival by the number of retrieved lymph nodes in the training cohort
| pT stage |
No. of retrieved lymph nodes
|
P value | |||||||||||||
|
1-5 (No., %)
|
6-15 (No., %)
|
16-25 (No., %)
|
26-35 (No., %)
|
36-45 (No., %)
|
46-55 (No., %)
|
55 + (No., %)
|
|||||||||
| pT1 | 20 | 90.0 | 223 | 89.1 | 403 | 92.5 | 303 | 94.4 | 110 | 91.0 | 31 | 100.0 | 16 | 100.0 | 0.210 |
| pT2 | 3 | 66.7 | 86 | 82.1 | 280 | 84.3 | 223 | 86.4 | 98 | 91.3 | 39 | 87.1 | 11 | 100.0 | 0.371 |
| pT3 | 4 | 50.0 | 148 | 70.0 | 486 | 64.8 | 531 | 61.7 | 267 | 60.3 | 98 | 62.4 | 42 | 48.5 | 0.172 |
| pT4 | 3 | 33.3 | 124 | 45.9 | 439 | 51.0 | 460 | 58.3 | 296 | 55.2 | 135 | 67.4 | 77 | 56.1 | 0.005 |
No: The number of patients. The five-year overall survival rate is presented as %.