Characteristic | |
Number of patients | 349 |
Male/female | 295/54 |
Mean age (years) | 64.1 (SD 11.2); range, 29–88 |
Short-segment Barrett’s oesophagus | 173 |
Long-segment Barrett’s oesophagus | 176 |
Macroscopic type | |
Polypoid (type I) | 39 |
Flat (II) | |
Elevated, type IIa | 101 |
Flat, type IIb | 160 |
Depressed, type IIc | 11 |
Elevated+depressed, type IIa+c | 34 |
Excavated (type III) | 4 |
Differentiation | |
High-grade intraepithelial neoplasia | 61 |
Well-differentiated (G1) | 205 |
Moderately differentiated (G2) | 75 |
Poorly differentiated (G3) | 8 |
Local tumour stage after ER | |
HGIN | 48 |
T1m1 | 149 |
T1m2 | 38 |
T1m3 | 16 |
T1m4 | 28 |
ER, endoscopic resection; HGIN, high-grade intraepithelial neoplasia; SD, standard deviation; T1m1: tunica propria; T1m2: superficial muscularis mucosae, T1m3 through superficial muscularis mucosa but not into deep muscularis mucosa; T1m4: into deep muscularis mucosae.