Table 3.

Comparison of PD-L1 expression between full tissue sections and core biopsies

PD-L1 semiquantitative score
Specimen01+2+3+Total N1+ to 3+2+ or 3+
All, n (%)289 (63.8)79 (17.4)51 (11.3)34 (7.5)453163 (36.2)85 (18.8)
Full tissue, n (%)252 (63.5)66 (16.6)50 (12.6)29 (7.3)397145 (36.5)79 (19.9)
Core biopsy, n (%)37 (66.1)13 (23.2)1 (1.8)5 (8.9)5619 (33.9)6 (10.7)