Skip to main content

Table 3 Kappa value for inter-PD-L1 antibodies concordance

From: Expression of PD-L1 in triple-negative breast cancer based on different immunohistochemical antibodies

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