Table 2.

Concordance of PD-L1 expression in 47 and 97 paired biopsies and cytological specimens from NSCLC, from Lund and Halmstad, respectively

Cytology, %	<1	1-49	≥50
Lund cohort	Biopsy
<1	11	2	1
1–49	0	11	4
≥50	0	0	18
Halmstad cohort	Biopsy
<1	40	12	2
1–49	4	10	7
≥50	0	6	16

PD-L1, programmed death-ligand 1; NSCLC, non-small cell lung cancer.