Postoperative bleeding in patients on antithrombotic therapy after gastric endoscopic submucosal dissection

Table 1 Clinicopathological features and treatment outcomes of all 2094 patients (2434 lesions and 2378 ulcers) n (%)

Age (mean ± SD, yr)	72 ± 6.9
Gender
Male	1786 (75.1)
Female	592 (24.9)
Location
U	412 (17.5)
M	742 (31.2)
L	122 (51.5)
Morphology
Protruded	1042 (43.8)
Flat/depressed	1336 (56.2)
Specimen size, (mean ± SD, mm)	39 ± 9.8
Depth of invasion
M	2227 (93.7)
SM	151 (6.3)
Ulcerative findings
(+)	203 (8.5)
(-)	2175 (91.5)
Anticoagulant agents
(+)	447 (18.8)
(-)	1931 (81.2)
En-bloc resection	99.2%
R0+curative resection	91.9%
Mean procedure time ± SD (min)	49 ± 30.1
Complications
Perforation	74 (3.1)
Delayed perforation	2 (0.8)
Delayed bleeding	122 (5.1)
Thromboembolism	0