Table 1 Characteristics of the development, internal test, and external test datasets.
Development dataset (N = 15,998) | Internal test dataset (N = 4001) | External test dataset (N = 12,753) | Inter-grader consistency | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
LZH | LYH | QLH | |||||||||
GQ | PQ | GQ | PQ | GQ | PQ | GQ | PQ | GQ | PQ | ||
Posterior (N = 5986) | |||||||||||
Illumination, macula | 2187 | 584 | 542 | 151 | 761 | 216 | 585 | 247 | 582 | 131 | 0.962 |
Illumination, optic disc | 2599 | 172 | 650 | 43 | 863 | 114 | 711 | 121 | 671 | 42 | 0.945 |
Illumination, remaining retina | 2488 | 283 | 613 | 80 | 928 | 49 | 763 | 69 | 688 | 25 | 0.943 |
Clarity, macula | 2265 | 506 | 572 | 121 | 734 | 243 | 582 | 250 | 548 | 165 | 0.868 |
Clarity, optic disc | 2411 | 360 | 597 | 96 | 743 | 234 | 602 | 230 | 522 | 191 | 0.870 |
Clarity, remaining retina | 2168 | 603 | 525 | 168 | 646 | 331 | 589 | 243 | 475 | 238 | 0.875 |
Peripheral (N = 26,766) | |||||||||||
Integrity, whole retina | 10,425 | 2802 | 2607 | 701 | 2785 | 1066 | 2281 | 791 | 2607 | 701 | 0.970 |
Illumination, whole retina | 11,226 | 2001 | 2881 | 427 | 3311 | 540 | 2809 | 263 | 2881 | 427 | 0.960 |
Clarity, whole retina | 8186 | 5041 | 2047 | 1261 | 1870 | 1981 | 1592 | 1480 | 2047 | 1261 | 0.874 |