Sensitivities and specificities (SD) for eyes diagnosed with diabetic retinopathy, and normal controls stratified or grouped by severity of disease
| Diagnosis | No | Sensitivity | Specificity | |
|---|---|---|---|---|
| Background (mild) | 10 | 0.90 (0.1) | ||
| Background (moderate) | 7 | 1.00 (0.0) | ||
| Pre-proliferative (no neovascularisation) | 4 | 0.50 (0.3) | ||
| Proliferative retinopathy | 13 | 0.85 (0.1) | ||
| Non-clinically significant macular oedema | 1 | 1.00 (0.0) | ||
| Clinically significant macular oedema, mild | 8 | 1.00 (0.0) | ||
| Clinically significant macular oedema, moderate | 9 | 0.89 (0.1) | ||
| Special cases | 4 | 0.75 (0.3) | ||
| Groups 1–3 | 21 | 0.86 (0.1) | ||
| Groups 4–8 | 31 | 0.89 (0.0) | ||
| All groups together | 52 | 0.88 (0.1) | 1.0 (0.0) | |
| Normal control eyes | 43 | 1.0 (0.0) |