Table 4 Diagnostic performance of optical diagnosis of colorectal neoplastic polyps by three modalities for the non-expert group.
From: The value of three narrow-band imaging model in the diagnosis of small colorectal polyps
Modality | NBI (95% CI) | NBIME (95% CI ) | AA-NBIME (95% CI) | \(P_{{NBI vs AA{ - }NBIME}}\) | \(P_{NBI vs NBIME}\) | \(P_{{NBIME vs AA{ - }NBIME}}\) |
|---|---|---|---|---|---|---|
Sensitivity | 81.8% (75.9–87.7) | 85.5% (80.1–90.8) | 91.5% (87.3–95.8) | < 0.001 | 0.014 | 0.033 |
Specificity | 77.1% (68.7–85.5) | 82.3% (74.7–89.9) | 85.4% (78.4–92.5) | 0.157 | 0.025 | 0.590 |
Accuracy | 80.1% (74.8–84.5) | 84.3% (79.4–88.2) | 89.3% (84.9–92.5) | 0.005 | 0.253 | 0.121 |
PPV | 86.0% (80.6–91.4) | 89.2% (84.4–94.1) | 91.5% (87.3–95.8) | 0.083 | 0.012 | 0.469 |
NPV | 71.2% (62.4–79.9) | 76.7% (68.5–84.9) | 85.4% (78.4–92.5) | < 0.001 | 0.004 | 0.029 |
