Correlation between the Expression of PD-L1 and Clinicopathological Features in Patients with Thymic Epithelial Tumors

Table 2

Correlation between mRNA and protein expression of PD-L1.

PD-L1 mRNA expression	PD-L1 protein expression		Coincidence rate (%)		value
	+	−
High expression	17	0	100
Moderate expression	15	7	68.18	32.392	<0.001
Low expression	1	16	94.12

Spearman correlation coefficient .