Evaluation of PD-L1 Expression in Tumor Tissue of Patients with Lung Carcinoma and Correlation with Clinical and Demographic Data

Table 11

Multivariate analysis: PD-L1 positive IICs.

Variable	Categories	OR	95% CI	value
Smoking	Never	1		0.090
	Active	0.525	0.212–1.297	0.162
	Past	0.383	0.162–0.908	0.029
	Constant	0.652		0.198