Table 3 Intra-observer agreement in each observation method (Kappa coefficient)
From: Validation of mitotic cell quantification via microscopy and multiple whole-slide scanners
Observer 1 | Observer 2 | Observer 3 | Observer 4 | Observer 5 | |
|---|---|---|---|---|---|
Scanner A vs Microscope | 0.835 | 0.677 | 0.784 | 0.748 | 0.830 |
Scanner B vs Microscope | 0.775 | 0.729 | 0.861 | 0.763 | 0.797 |
Scanner C vs Microscope | 0.824 | 0.717 | 0.814 | 0.738 | 0.726 |
Scanner D vs Microscope | 0.815 | 0.664 | 0.804 | 0.776 | 0.799 |
Scanner A vs B | 0.816 | 0.745 | 0.777 | 0.858 | 0.808 |
Scanner A vs C | 0.851 | 0.704 | 0.744 | 0.859 | 0.892 |
Scanner A vs D | 0.856 | 0.594 | 0.728 | 0.880 | 0.742 |
Scanner B vs C | 0.792 | 0.784 | 0.939 | 0.891 | 0.848 |
Scanner B vs D | 0.810 | 0.709 | 0.852 | 0.871 | 0.761 |
Scanner C vs D | 0.831 | 0.772 | 0.832 | 0.872 | 0.754 |