Table 1

 Sensitivities and specificities (SD) for eyes diagnosed with diabetic retinopathy, and normal controls stratified or grouped by severity of disease

DiagnosisNoSensitivitySpecificity
Background (mild)100.90 (0.1)
Background (moderate)71.00 (0.0)
Pre-proliferative (no neovascularisation)40.50 (0.3)
Proliferative retinopathy130.85 (0.1)
Non-clinically significant macular oedema11.00 (0.0)
Clinically significant macular oedema, mild81.00 (0.0)
Clinically significant macular oedema, moderate90.89 (0.1)
Special cases40.75 (0.3)
Groups 1–3210.86 (0.1)
Groups 4–8310.89 (0.0)
All groups together520.88 (0.1)1.0 (0.0)
Normal control eyes431.0 (0.0)