Table 6 Distribution of cohen’s weighted kappa values, indicating the level of agreement among raters.
From: Concordance of HER2-low scoring in breast carcinomas among pathologists
Cohen’s Kappa | Inter-rater (N = 1830) | Consensus-Rater (N = 61) | ||
|---|---|---|---|---|
All cases | HER2-low | All cases | HER2-low | |
Almost perfect | 1560 (85.25%) | 162 (8.85%) | 60 (98.36%) | 8 (13.11%) |
Substantial | 216 (11.8%) | 604 (33.01%) | 1 (1.64%) | 22 (36.07%) |
Moderate | 0 (0.0%) | 711 (38.85%) | 0 (0.0%) | 26 (42.62%) |
Fair | 0 (0.0%) | 276 (15.08%) | 0 (0.0%) | 5 (8.20%) |
Slight | 0 (0.0%) | 35 (1.91%) | 0 (0.0%) | 0 (0.0%) |
No agreement | - | - | - | - |