Table 3 Diagnostic performances for histology predictions by using digital chromoendoscopy
Diagnostic performances | |||||
|---|---|---|---|---|---|
Polyps (n) | Sensitivity (95 % CI) | Specificity (95 % CI) | PPV (95 % CI) | NPV (95 % CI) | |
All distal polyps | |||||
Overall prediction | 121 | 93.3 % (82.7–97.8) | 88.7 % (77.5–95) | 88.7 % (77.5–95) | 93.2 % (82.7–97.8) |
HC prediction | 107 | 98.1 % (88.6–99.9) | 94.4 % (83.7–98.6) | 94.5 % (83.9–98.6) | 98.1 % (88.4–99.9) |
Polyps in the rectosigmoid only | |||||
Overall prediction | 79 | 90.3 % (73.1–97.5) | 87.5 % (74.1–94.8) | 82.4 % (64.8–92.6) | 93.3 % (80.1–98.3) |
HC prediction | 72 | 96.4 % (79.8–99.8) | 95.5 % (83.3–99.2) | 93.1 % (75.8–98.8) | 97.7 % (86.2–99.9) |