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

Table 5

Immunohistochemical agreement of PD-L1 expression in individual analysis versus collective analysis considering cell type.

Cell type	Kappa	Standard error	value
IICs	0.328	0.089	<0.001
Tumor cells	0.307	0.079	<0.001