First validation phase: comparison of the dichotomised pooled diagnostic accuracy of optical diagnosis before and after training
| Accuracy (95% CI) before training | Accuracy (95% CI) after training | Improvement (95% CI) | p Value | |
|---|---|---|---|---|
| SSA/P versus non-SSA/P With high confidence | 0.74 (0.66 to 0.82) | 0.86 (0.80 to 0.91) | 0.12 (0.05 to 0.17) | <0.001 |
| 0.83 (0.75 to 0.91) | 0.93 (0.87 to 0.98) | 0.10 (0.02 to 0.18) | 0.02 | |
| AD versus non-AD With high confidence | 0.76 (0.67 to 0.84) | 0.87 (0.80 to 0.94) | 0.11 (0.04 to 0.18) | <0.01 |
| 0.82 (0.73 to 0.90) | 0.92 (0.86 to 0.98) | 0.10 (0.01 to 0.19) | 0.03 | |
| Neoplastic lesion versus HP With high confidence | 0.76 (0.69 to 0.83) | 0.86 (0.80 to 0.91) | 0.10 (0.05 to 0.15) | <0.001 |
| 0.82 (0.74 to 0.89) | 0.90 (0.84 to 0.96) | 0.08 (0.02 to 0.15) | <0.01 |
AD, adenoma; HP, hyperplastic polyps; SSA/P, sessile serrated adenoma/polyp.