Detection rates for overall polyps and adenomas in each randomisation arm by the level of expertise: per patient analysis
| NBI-WL group (n=550) | FICE-WL group (n=550) | WL-WL group (n=550) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Expert (n=248) | Non-expert (n=302) | p Value | Expert (n=246) | Non-expert (n=304) | p Value | Expert (n=252) | Non-expert (n=298) | p Value | |
| Overall polyps, n (%) | |||||||||
| Total, mean±SD* | 0.75±1.05 | 0.44±0.70 | <0.001 | 0.72±1.32 | 0.41±0.79 | <0.001 | 0.88±1.19 | 0.33±0.70 | <0.001 |
| Patients with ≥1 | 105 (42.3) | 101 (33.4) | 0.018 | 100 (40.7) | 80 (26.3) | 0.001 | 124 (49.2) | 69 (23.2) | <0.001 |
| Patients with ≥3 | 18 (7.3) | 5 (1.7) | 0.016 | 21 (8.5) | 10 (3.3) | 0.040 | 27 (10.7) | 6 (2.0) | <0.001 |
| Adenomas, n (%) | |||||||||
| Total, mean±SD* | 0.46±0.81 | 0.26±0.58 | 0.005 | 0.47±0.95 | 0.29±0.62 | 0.014 | 0.58±0.91 | 0.20±0.50 | <0.001 |
| Patients with ≥1 | 74 (29.8) | 61 (20.2) | 0.031 | 70 (28.5) | 60 (19.7) | 0.026 | 92 (36.5) | 47 (15.8) | <0.001 |
| Patients with ≥3 | 9 (3.6) | 2 (0.7) | 0.112 | 12 (4.9) | 6 (2.0) | 0.120 | 17 (6.7) | 3 (1.0) | <0.001 |
*Mean number of overall polyps and adenomas over all study cases (positive and negative cases).
FICE, flexible spectral imaging chromoendoscopy; NBI, narrow band imaging; WL, white light.