Table 4 Sensitivities and specificities, with 95% confidence intervals (CI), for technical failures, any “disease” in patients with no technical failure, and referral for “full disease” grading.
| Manual: by patient (CI) | Automated: by patient (CI) | ||
|---|---|---|---|
| Technical failures | Sensitivity | 93.7% (91.3–95.4) 518/553 | 99.5% (98.4–99.8) 550/553 |
| Specificity | 99.0% (98.7–99.2) 6107/6169 | 84.4% (83.5–85.3) 5206/6169 | |
| Any “disease” in patients with no technical failure | Sensitivity | 83.8% (82.1–85.3) 1635/1952 | 85.5% (83.7–87.1) 1404/1643 |
| Specificity | 96.3% (95.6–96.8) 4000/4155 | 79.4% (78.1–80.7) 2830/3563 | |
| Referral for “full disease” grading | Sensitivity | 86.5% (85.1–87.8) 2182/2523 | 90.5% (89.3–91.6) 2283/2523 |
| Specificity | 95.3% (94.6–95.9) 4000/4199 | 67.4% (66.0–68.8) 2830/4199 | |
Results are based on the analysis of images from both eyes of each patient.