Table 2. Diagnostic accuracy and predictive value of WLI and LCI among 4 endoscopists.
| Endoscopist | Accuracy | Sensitivity | Specificity | NPV | PPV | |||||
| WLI (95 % CI) | LCI (95 % CI) | WLI (95 % CI) | LCI (95 % CI) | WLI (95 % CI) | LCI (95 % CI) | WLI (95 % CI) | LCI (95 % CI) | WLI (95 % CI) | LCI (95 % CI) | |
| A | 76.7 (64.0 – 86.6) | 91.7 (81.6 – 97.2) | 63.3 (43.9 – 80.0) | 93.3 (77.9 – 99.2) | 90.0 (73.5 – 97.9) | 90.0 (73.5 – 97.9) | 64.3 (48.0 – 78.4) | 93.1 (77.2 – 99.2) | 85.0 (62.1 – 96.8) | 90.3 (74.2 – 98.0) |
| B | 83.3 (71.5 – 91.7) | 86.7 (75.4 – 94.1) | 90.0 (73.5 – 97.9) | 90.0 (73.5 – 97.9) | 76.7 (57.6 – 90.1) | 83.3 (65.3 – 94.4) | 88.5 (69.8 – 97.6) | 89.3 (71.8 – 97.7) | 79.4 (62.1 – 91.3) | 84.4 (67.2 – 94.7) |
| C | 63.3 (49.9 – 75.4) | 80.0 (67.7 – 89.2) | 80.0 (61.4 – 92.3) | 93.3 (77.9 – 99.2) | 46.7 (28.3 – 65.7) | 66.7 (47.2 – 82.7) | 70.0 (45.7 – 88.1) | 90.9 (70.8 – 98.9) | 60.0 (43.3 – 75.1) | 73.7 (56.9 – 86.6) |
| D | 73.3 (60.3 – 83.9) | 85.0 (73.4 – 92.9) | 93.3 (77.9 – 99.2) | 96.7 (82.7 – 99.9) | 53.3 (34.3 – 71.7) | 73.3 (54.1 – 87.7) | 88.9 (65.3 – 98.6) | 95.7 (78.1 – 99.9) | 66.7 (50.6 – 85.3) | 78.4 (61.8 – 90.2) |
CI, confidence interval; NPV, negative predictive value; PPV positive predictive value. WLI, white light imaging; LCI, linked color imaging.