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

Table 10

Multivariate analysis: PD-L1 expression in tumor cells.

Variable	Categories	OR	95% CI		value
			LI	LS
Smoking	Never	1			0.03
	Active	2.236	0.864	5.79	0.097
	Past	3.356	1.368	8.23	0.008