Table 3 PD-L1 testing concordance rates between laboratories.
From: PD-L1 expression and its correlation with tumor biomarkers in Chinese urothelial bladder cancer
High PD-L1 expression status | Central laboratory result | |||
|---|---|---|---|---|
Yes (%) | No (%) | Total | ||
Hospital laboratory | Yes (%) | 10 (21.7) | 0 | 10 (21.7) |
No (%) | 9 (19.6) | 27 (58.7) | 36 (78.3) | |
Total | 19 (41.3) | 27 (58.7) | 46 | |
Concordance (%) | 80.4 | |||
Kappa coefficient | 0.57 | |||
