Patient and endoscopy characteristics
| Cases phase I (n=41) | Cases phase II (n=39) | |
| Age at endoscopy in years (median, IQR) | 67 (61–72) | 66 (59–70) |
| Sex (male) (n, %) | 26 (68) | 31 (80%) |
| Levels biopsied (median, IQR) | 2 (1–4) | 2 (1–3) |
| Total biopsies (median, IQR) | 8 (4–12) | 7 (3–11) |
| Initial community diagnosis, n (%) | ||
| IND | 16 (39) | 16 (41) |
| LGD | 25 (61) | 23 (59) |
IND, indefinite for dysplasia; IQR, interquartile range; LGD, low-grade dysplasia.