| Table 3: Comparison between digital chromoendoscopy (FICE) and real-time chromoendoscopy (indigo carmine) in differentiating neoplastic from non-neoplastic lesions. |
| | | FICE (DCE) | Indigo carmine (CE) |
| | Accuracy % (95% CI) | 92.6 (87.3–98.0) | 94.2 (90.0–98.4) | | Sensitivity % (95% CI) | 91.7 (82.7–96.9) | 96.5 (90.1–99.3) | | Specificity % (95% CI) | 95.7 (78.1–99.9) | 88.2 (72.5–96.7) | | PPV % (95% CI) | 98.5 (92–100) | 95.4 (88.6–98.7) | | NPV % (95% CI) | 78.6 (59–91.7) | 90.9 (75.7–98.1) | | Kappa (95% CI) | 0.81 (0.68–0.95) | 0.86 (0.75–0.96) |
|
|
95% CI: 95% confidence interval; FICE: Fujinon intelligent color enhancement; DCE: digital chromoendoscopy; CE: real-time chromoendoscopy; PPV: positive predictive value; NPV: negative predictive value.
|