Variables | Overall survival | Disease-free survival | ||||
---|---|---|---|---|---|---|
Hazard ratios | 95%CI | P value | Hazard ratios | 95%CI | P value | |
PD-L1 | ||||||
Negative | 1 | 1 | ||||
Positive | 0.882 | 0.648-1.200 | 0.423 | 1.047 | 0.782-1.401 | 0.758 |
Age | ||||||
<60 years | 1 | 1 | ||||
≥60 years | 1.623 | 1.223-2.152 | 0.001 | 1.442 | 1.109-1.875 | 0.006 |
Tumor differentiation | ||||||
Well | 1 | 1 | ||||
Moderate | 1.081 | 0.736-1.586 | 0.691 | 1.192 | 0.834-1.703 | 0.334 |
Poor | 1.369 | 0.890-2.107 | 0.153 | 1.533 | 1.030-2.280 | 0.035 |
Basaloid | 1.109 | 0.507-2.425 | 0.796 | 1.128 | 0.538-2.367 | 0.750 |
PT status | ||||||
pT2 | 1 | 1 | ||||
pT3-4a | 1.119 | 0.800-1.565 | 0.512 | 1.295 | 0.945-1.776 | 0.108 |
PN status | ||||||
pN0 | 1 | 1 | ||||
pN1 | 2.054 | 1.485-2.841 | <0.001 | 2.194 | 1.617-2.977 | <0.001 |
pN2 | 3.316 | 2.242-4.906 | <0.001 | 3.188 | 2.201-4.616 | <0.001 |
pN3 | 8.016 | 4.726-13.749 | <0.001 | 7.865 | 4.682-13.210 | <0.001 |
Vascular invasion | ||||||
No | 1 | 1 | ||||
Yes | 1.291 | 0.970-1.718 | 0.080 | 1.103 | 0.831-1.464 | 0.497 |
Perineural invasion | ||||||
No | 1 | 1 | ||||
Yes | 1.328 | 0.999-1.764 | 0.051 | 1.325 | 1.012-1.736 | 0.041 |
Metachronous hematogenous metastasis | ||||||
No | 1 | 1 | ||||
Yes | 2.073 | 1.520-2.827 | <0.001 | 3.359 | 2.499-4.517 | <0.001 |