Baseline characteristics of included patients*
| n=132 | |
|---|---|
| Male: Female | 107:25 |
| Mean age—years (±SD) | 65±14 |
| Median BO length—cm (IQR) | C3M6 (C1–7, M4–9) |
| ER prior to RFA | 119 (90%) |
| ER technique | |
| ER-cap technique | 52 (44%) |
| Ligate-and-cut technique | 67 (56%) |
| Resection | |
| En bloc resection | 63 (53%) |
| Piecemeal resection | 56 (47%) |
| Median nr resected pieces (IQR) | 2 (2–4) |
| Worst histology ER-specimens | |
| Non-dysplastic IM | 3 |
| Low-grade dysplasia | 7 |
| High-grade dysplasia | 31 |
| Mucosal cancer | 76 |
| Submucosal cancer | 2 |
| Worst histology post-ER/pre-RFA biopsies | |
| Non-dysplastic IM | 51 |
| Low-grade dysplasia | 45 |
| High-grade dysplasia | 36 |
*All of the included patients had had high-grade dysplasia and/or cancer on at least two occasions before inclusion.
BO, Barrett's oesophagus; ER, endoscopic resection; IM, intestinal metaplasia; nr, number; RFA, radiofrequency ablation.