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Kappa statistics for comparison of inter-observer concordance for binarized HER2 IHC variables (n = 849)
| Visual 1 | Visual 2 | Machine 1 | |
|---|---|---|---|
| Visual 1 | - | - | - |
| Visual 2 | 1.000 (1 - 1) | - | - |
| Machine 1 | 0.898 (0.775 – 0.979) | 0.898 (0.775 – 0.979) | - |
| Machine 2 | 0.898 (0.775 – 0.979) | 0.898 (0.775 – 0.979) | 1.000 (1 - 1) |
