Table 1. Characteristics of study patients.

Characteristics	N = 32
Age [years] (IQR)	71 (65 – 76)
Male	29 (91 %)
BMI [kg/m 2 ] (IQR)	30.2 (25.5 – 40.4)
ASA class
II	9 (28 %)
III	22 (69 %)
IV	1 (3 %)
Use of antiplatelet or anticoagulant
Aspirin	6 (19 %)
Warfarin	1 (3 %)
Baseline pre-ESD histopathology
Low-grade dysplasia	5 (16 %)
High-grade dysplasia	11 (34 %)
Intra-mucosal adenocarcinoma (t1a)	16 (50 %)
Previous endoscopic therapy before ESD
Endoscopic mucosal resection	3 (9 %)
Radiofrequency ablation	5 (16 %)
Combination	3 (9 %)
Endoscopic submucosal dissection	1 (3 %)

IQR, interquartile range; BMI, body mass index; ASA, American Academy of Anesthesiologists; ESD, endoscopic submucosal dissection