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. 2020 Jan 29;9(2):3. doi: 10.1167/tvst.9.2.3

Table 1.

Demographics and Image Characteristics of the Data Sets

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)
a

Data are presented as number of images/total number (%) unless otherwise indicated.