Table 1.
Characteristic | CMAAI Data set | Zhongshan Ophthalmic Center Data Set | Xudong Ophthalmic Hospital Data Set | ||
---|---|---|---|---|---|
Total No. of images | 16,827 | 905 | 1236 | ||
Total No. of gradable images | 16,138 | 872 | 1220 | ||
No. of individuals | 11,339 | 339 | 445 | ||
Age, mean (range), y | 48.7 (5–86) | 46.3 (3–75) | 50.8 (3–89) | ||
No. (%) of women | 5273 (46.5) | 150 (44.8) | 242 (54.4) | ||
Location of institution | South of China | Southeast of China | Northwest of China | ||
Camera model | OPTOS Daytona | OPTOS 200TX | OPTOS Daytona | ||
Training set | Validation set | Test set | |||
Retinal hemorrhagea | 2398/11,291 (21.2) | 512/2424 (21.1) | 523/2423 (21.6) | 121/872 (13.9) | 210/1220 (17.2) |
Nonretinal hemorrhagea | 8893/11291 (78.8) | 1912/2424 (78.9) | 1900/2423 (78.4) | 751/872 (86.1) | 1010/1220 (82.8) |
Data are presented as number of images/total number (%) unless otherwise indicated.