| Multivariate analysis | ||
---|---|---|---|
Variables | HR | 95%CI | p value |
8th T stage | |||
 T1 | Reference |  |  |
 T2 | 1.43 | 1.28–1.60 | < 0.001 |
 T3 | 1.79 | 1.57–2.05 | < 0.001 |
 T4 | 2.05 | 1.67–2.52 | < 0.001 |
8th N stage | |||
 N0 | Reference |  |  |
 N1 | 1.55 | 1.41–1.70 | < 0.001 |
 N2 | 2.03 | 1.84–2.25 | < 0.001 |
Grade | |||
 Well | Reference |  |  |
 Moderate | 1.39 | 1.21–1.60 | < 0.001 |
 Poor | 1.96 | 1.70–2.26 | < 0.001 |
 Undifferentiated | 2.75 | 1.74–4.35 | < 0.001 |
Radiotherapy (no/unkown vs yes) | 0.81 | 0.74–0.88 | < 0.001 |
Chemotherapy (no/unkown vs yes) | 0.49 | 0.45–0.53 | < 0.001 |