Initial Estimates of Diagnostic Accuracy of Interpretation of Retinal Images of 34 Patients by Family Physicians
| DR Finding | Presumed DR | No DR | Total | Fraction (%) | 95% CI, % | |
|---|---|---|---|---|---|---|
| Retinal specialist results | 3 | — | 31 | 34 | 3/34 (8) | (2-24) |
| Family physician results | 1 | 7 | 26 | 34 | 8/34 (24) | (11-41) |
| Sensitivity | 1/3 (33) | (1-91) | ||||
| Specificity | 24/31 (77) | (59-90) | ||||
| PPV | 1/8 (13) | (0-53) | ||||
| NPV | 24/26 (92) | (75-99) | ||||
| Accuracy | 25/34 (74) | (56-87) |
DR, diabetic retinopathy; NPV, negative predictive value; PPV, positive predictive value; CI, confidence interval.