Polyps: optical and histological determination
| Histology diagnosis (reference standard) | |||||
|---|---|---|---|---|---|
| Hyperplastic | Adenoma | Other | Not possible | Total | |
| NBI colonoscopy | |||||
| Hyperplastic | 305 | 210 | 75 | 29 | 619 |
| Adenoma | 82 | 772 | 45 | 40 | 939 |
| Other | 7 | 8 | 6 | 1 | 22 |
| Not possible | 6 | 24 | 0 | 10 | 40 |
| Total | 400 | 1014 | 126 | 80 | 1620 |
NBI, narrow band imaging.