Variables | DFS | OS | ||||
---|---|---|---|---|---|---|
HR | 95 % CI | P | HR | 95 % CI | P | |
Smoking status (smokers vs. non-smokers) | 0.84 | 0.66–1.07 | 0.16 | 1.12 | 0.81–1.53 | 0.48 |
Stage (III vs. I + II) | 1.71 | 1.32–2.21 | 0.00 | 1.16 | 0.84–1.58 | 0.00 |
PD-L1 expression (positive vs. negative) | 1.17 | 0.91–1.51 | 0.22 | 1.79 | 1.30–2.46 | 0.37 |