Table 2 Performance on DR classification
Model Name | Evaluation metrics | Internal validation | Youden’s index | External validation | Youden’s index | ||
|---|---|---|---|---|---|---|---|
DR (n = 502) | Normal fundus (n = 517) | DR (n = 337) | Normal fundus (n = 1115) | ||||
RETFound | Sensitivity | 96.22 (483) | / | 0.7939 | 82.79 (279) | / | 0.6127 |
Specificity | / | 83.17 (430) | / | 78.48 (875) | |||
EfficientNetB3 | Sensitivity | 90.64 (455) | / | 0.7826 | 67.95 (229) | / | 0.5055 |
Specificity | / | 87.62 (453) | / | 82.60 (921) | |||
ResNet50 | Sensitivity | 92.83 (466) | / | 0.7871 | 61.72 (208) | / | 0.5328 |
Specificity | / | 85.88 (444) | / | 91.56 (1021) | |||
