Table 2.
Univariate and multivariate analyses for factors related to programmed death ligand-1 (PD-L1) positivity ≥ 1%.
| Factors | Univariate Analysis | p-Value | Multivariate Analysis | p-Value | ||
|---|---|---|---|---|---|---|
| Odds Ratio | 95% CI | Odds Ratio | 95% CI | |||
| Age | ||||||
| ≤68 year vs. ≥69 year | 8.0 | (2.2–28.6) | <0.01 | 7.0 | (1.7–28.6) | <0.01 |
| Sex | ||||||
| Male vs. Female | 1.5 | (0.6–3.8) | 0.38 | - | - | - |
| Smoking status | ||||||
| Smoker vs. never smoker | 4.3 | (1.4–13.5) | 0.01 | 4.0 | (1.2–13.9) | 0.03 |
| CT findings | ||||||
| Pure-solid LAD * vs. part-solid LAD | 7.3 | (1.6–32.9) | <0.01 | 5.9 | (1.2–29.7) | 0.03 |
* LAD: lung adenocarcinoma.