Table 3.

Kappa value for inter-PD-L1 antibodies concordance

Antibody	Tumor cell				Immune cell
	1 % cut-off	5 % cut-off	10 % cut-off	50 % cut-off
PD-L1 (28-8) to PD-L1 (E1L3N)	0.752	0.745	0.660	0.887	0.607
PD-L1 (28-8) to PD-L1 (SP142)	0.535	0.490	0.558	0.396	0.309
PD-L1 (SP142) to PD-L1 (E1L3N)	0.537	0.551	0.580	0.328	0.305