Table 5.
Cox regression for overall survival
| Variable | Univariate analysis |
Multivariate analysis |
||
|---|---|---|---|---|
| OR | p value | OR | p value | |
| Age, yr | 1.06 | 0.08 | 1.11 | 0.04 |
| Female sex | 2.54 | 0.25 | ||
| Smoking status (smoker) | 2.22 | 0.45 | ||
| Smoking dose | 1.01 | 0.39 | ||
| Time from symptom onset to diagnosis, mon | 1.51 | 0.06 | 2.00 | 0.03 |
| EGFR (wild type) | 1.62 | 0.65 | ||
| PD-L1 expression (high vs. low) | 3.18 | 0.16 | ||
| PD-L1 expression (TPS) | 1.02 | 0.09 | ||
OR, odds ratio; EGFR, epidermal growth factor receptor; PD-L1, programmed death ligand 1; TPS, tumor progression score.