Hybrid Model Structure for Diabetic Retinopathy Classification

Table 2

The DR grade distribution of the dataset.

Datasets	DR grade
	0	1	2	3	4	Total number
DeepDR	540	140	234	214	72	1200
APTOS	1805	370	999	193	295	3662
EyePACS	25810	2443	5292	873	708	35126
Total number	28155	2953	6525	1280	1075	39988
Percentage (%)	70.41	7.38	16.32	3.2	2.69	—