Table 4.

Univariate logistic regression analysis for prediction of PD‐L1 positivity

Clinical variables	OR (95% CI)	P‐value
Age (≤59 years)	0.7299 (0.3480–1.5266	0.4017
Female sex	1.0378 (0.5176–2.0810)	0.9167
Current or ex‐smoker	0.9512 (0.4841–1.8690)	0.8845
Presence of EGFR mutation	1.0929 (0.5390–2.2160)	0.8055
Rad‐score
Rad‐score > −0.715	3.3600 (1.6617–6.7940)	0.0007

CI, confidence interval; EGFR, epidermal growth factor receptor; OR, odds ratio; PD‐L1, programmed death ligand 1.