Table 5 Performance of participating HER2 testing centers.
Hospital | Total | False-negative | False-positive | Concordance | Sensitivity (%) | Specificity (%) |
|---|---|---|---|---|---|---|
1 | 144 | 3 (2.1%) | 2 (1.4%) | 139 (96.5% | 98.6 | 97.9 |
2 | 266 | 0 (0.0%) | 2 (0.8%) | 264 (99.2%) | 99.2 | 100.0 |
3 | 158 | 1 (0.6%) | 0 (0.6%) | 156 (98.7%) | 100.0 | 99.4 |
4 | 181 | 2 (1.1%) | 2 (1.1%) | 177 (97.8%) | 98.9 | 98.9 |
5 | 90 | 0 (0.0%) | 5 (5.6%) | 85 (94.4%) | 94.4 | 100.0 |
6 | 169 | 1 (0.6%) | 2 (1.2%) | 166 (98.2%) | 98.8 | 100.0 |
Total | 1,008 | 7 (0.7%) | 13 (1.3%) | 988 (98.0%) | 98.7 | 99.3 |