Table 4.
Inter-reader Agreement (Kappa Coefficients) for Diagnostic Performance
| Readers | Internal test dataset | External test dataset | ||
|---|---|---|---|---|
| Inter-reader | O-RADS | A vs. B | 0.760 (0.640, 0.873) | 0.649 (0.576, 0.720) |
| A vs. C | 0.711 (0.601, 0.817) | 0.588 (0.521, 0.653) | ||
| A vs. D | 0.837 (0.739, 0.929) | 0.693 (0.627, 0.763) | ||
| A vs. E | 0.924 (0.844, 0.982) | 0.667 (0.602, 0.736) | ||
| B vs. C | 0.800 (0.679, 0.901) | 0.669 (0.597, 0.742) | ||
| B vs. D | 0.826 (0.711, 0.914) | 0.742 (0.673, 0.812) | ||
| B vs. E | 0.802 (0.694, 0.909) | 0.760 (0.685, 0.828) | ||
| C vs. D | 0.835 (0.741, 0.932) | 0.681 (0.603, 0.760) | ||
| C vs. E | 0.782 (0.679, 0.878) | 0.760 (0.687, 0.826) | ||
| D vs. E | 0.911 (0.829, 0.982) | 0.796 (0.732, 0.856) | ||
| OvcaFinder | A vs. B | 0.886 (0.798, 0.951) | 0.869 (0.812, 0.921) | |
| A vs. C | 0.902 (0.834, 0.968) | 0.868 (0.815, 0.925) | ||
| A vs. D | 0.983 (0.949, 1.000) | 0.910 (0.862, 0.954) | ||
| A vs. E | 0.983 (0.949, 1.000) | 0.896 (0.841, 0.940) | ||
| B vs. C | 0.952 (0.889, 1.000) | 0.863 (0.804, 0.917) | ||
| B vs. D | 0.902 (0.840, 0.967) | 0.894 (0.839, 0.941) | ||
| B vs. E | 0.902 (0.825, 0.967) | 0.906 (0.854, 0.952) | ||
| C vs. D | 0.918 (0.855, 0.983) | 0.892 (0.840, 0.940) | ||
| C vs. E | 0.918 (0.855, 0.983) | 0.891 (0.834, 0.939) | ||
| D vs. E | 0.967 (0.916, 1.000) | 0.933 (0.893, 0.973) |
Data in parentheses are 95% confidence intervals; O-RADS Ovarian-Adnexal Reporting and Data System.