Table 5.
Brief summary of previous studies and their comparison with our results
| Dataset | Sensitivity | Specificity | |
|---|---|---|---|
| Any DR | |||
| Pratt et al.[20] | 5000 images | 30% | 95% |
| Gargeya and Leng[15] | Messidor 2 (1748 images) | 93% | 87% |
| Abramoff et al.[21] | 819 images | 87.2% | 90.7% |
| Our study (India) | 1533 images Messidor 1 (1200 images) | 99.7% 90.37% | 98.5% 91.03% |
| Referable DR | |||
| Gulshan et al.[14] | EyePACS-1 (9963) | 90.3% 97.5% | 98.1% 93.4% |
| Messidor 2 (1748) | 87% 96.1% | 98.5% 93.9% | |
| Ting et al.[17] | Multiple sets of images | 90.5% | 91.6% |
| Ramachandran et al.[16] | ODEMS (382) Messidor 1 (1200) | 84.6% 96% | 79.7% 90% |
| Our study (India) | 1533 images Messidor 1 (1200) | 98.98% 94.68% | 94.84% 97.40% |