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Weighted Kappa statistics on the whole cohort for comparison of inter-observer concordance for categorized HER2 IHC variables (n = 1212)
| Visual 1 | Visual 2 | Machine 1 | |
|---|---|---|---|
| Visual 1 | - | - | - |
| Visual 2 | 0.929 (0.909 – 0.946) | - | - |
| Machine 1 | 0.835 (0.806 – 0.862) | 0.837 (0.810 – 0.862) | - |
| Machine 2 | 0.698 (0.672 – 0.723) | 0.709 (0.684 – 0.732) | 0.806 (0.785 – 0.826) |
