Table 3.

PD-L1 Status by EGFR and ALK Test Status

EGFR and ALK Status	PD-L1 Status
	PD-L1 Failed	<1%	1%–49%	≥50%	PD-L1 Unknown
Sensitizing EGFR mutation	4	25	28	9	10
ALK positive	1	8	5	10	3
EGFR wild-type and ALK negative	18	161	115	207	28
EGFR wild-type and ALK unknown	6	30	21	45	18
ALK negative and EGFR unknown	3	6	4	4	0

PD-L1, programmed death-ligand 1.