Item | P | HR | 95% CI | |
---|---|---|---|---|
 |  |  | Lower | Upper |
TR | ||||
 No. of removed LNs | ||||
  <15 |  | Reference |  |  |
  ≥15 | 0.065 | 0.708 | 0.491 | 1.022 |
 Tumor grade | 0.033* |  |  |  |
  Well-differentiated |  | Reference |  |  |
  Moderately differentiated | 0.368 | 1.253 | 0.767 | 2.050 |
  Poorly differentiated | 0.016* | 1.822 | 1.118 | 2.968 |
 Adjuvant therapy | <0.001* |  |  |  |
  No |  | Reference |  |  |
  Chemotherapy | <0.001* | 0.466 | 0.318 | 0.681 |
  Radiotherapy/chemoradiotherapy | 0.008* | 0.349 | 0.160 | 0.763 |
 Unresected small LNs status | ||||
  CT-negative |  | Reference |  |  |
  CT-suspect | 0.001* | 1.813 | 1.263 | 2.602 |
LR | ||||
 No. of removed LNs | ||||
  <15 |  | Reference |  |  |
  ≥15 | 0.061 | 0.665 | 0.434 | 1.019 |
 Tumor grade | 0.017* |  |  |  |
  Well-differentiated |  | Reference |  |  |
  Moderately differentiated | 0.046* | 1.900 | 1.011 | 3.569 |
  Poorly differentiated | 0.004* | 2.510 | 1.334 | 4.723 |
 Adjuvant therapy | <0.001* |  |  |  |
  No |  | Reference |  |  |
  Chemotherapy | <0.001* | 0.437 | 0.279 | 0.683 |
  Radiotherapy/chemoradiotherapy | 0.009* | 0.256 | 0.092 | 0.711 |
 Unresected small LNs status | ||||
  CT-negative |  | Reference |  |  |
  CT-suspect | <0.001* | 2.133 | 1.407 | 3.233 |
DM | ||||
 Adjuvant therapy | 0.039* |  |  |  |
  No |  | Reference |  |  |
  Chemotherapy | 0.011* | 0.462 | 0.255 | 0.836 |
  Radiotherapy/chemoradiotherapy | 0.423 | 0.675 | 0.259 | 1.764 |
OS | ||||
 No. of removed LNs | ||||
  <15 |  | Reference |  |  |
  ≥15 | 0.109 | 0.708 | 0.464 | 1.080 |
 Tumor grade | 0.043* |  |  |  |
  Well-differentiated |  | Reference |  |  |
  Moderately differentiated | 0.565 | 1.181 | 0.670 | 2.083 |
  Poorly differentiated | 0.028* | 1.878 | 1.070 | 3.296 |
 Adjuvant therapy | 0.010* |  |  |  |
  No |  | Reference |  |  |
  Chemotherapy | 0.003* | 0.516 | 0.332 | 0.803 |
  Radiotherapy/chemoradiotherapy | 0.158 | 0.564 | 0.255 | 1.248 |
 Unresected small LNs status | ||||
  CT-negative |  | Reference |  |  |
  CT-suspect | 0.005* | 1.807 | 1.192 | 2.740 |