Skip to main content

Advertisement

Table 1 Kappa value for inter-reader reproducibility of PD-L1 monoclonal antibodies

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

Reader PD-L1 (28-8) PD-L1 (E1L3N) PD-L1 (SP142)
Tumor cell Immune cell Tumor cell Immune cell Tumor cell Immune cell
1 % 5 % 10 % 50 % 1 % 5 % 10 % 50 % 1 % 5 % 10 % 50 %
#1 to #2 1.000 0.913 0.770 0.838 0.903 1.000 0.943 0.876 0.887 0.914 1.000 0.871 0.889 1.000 0.928
#1 to #3 1.000 0.958 0.923 0.838 0.894 1.000 0.981 0.820 0.887 0.888 1.000 0.976 0.924 1.000 0.858
#2 to #3 1.000 0.913 0.794 0.628 0.798 1.000 0.923 0.670 1.000 0.870 0.977 0.842 0.803 1.000 0.788