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Performance of mean CISH and mean FISH HER2 ratio assay.
| CISH | FISH | ||
|---|---|---|---|
| Amplified (≥2.0) | Nonamplified | Total | |
| Amplified (≥2.0) | 18 | 0 | 18 |
| Nonamplified | 1 | 76 | 77 |
| Total | 19 | 76 | 95 |
CISH: chromogenic in situ hybridization; FISH: fluorescence in situ hybridization; CI: confidence interval. Concordance, 99,0%; Cohen κ coefficient, 0,9664 (95% CI, 0,9010–1,0000).
