Table 3.

Comparison of clinical outcomes between Okayama University Hospital and other hospitals

Institution (patients/lesions)	OUH (17/20)	Other hospitals (21/28)	P value
Median age, yr (range)	70 (57-83)	73 (58-84)	0.28
Male, n (%)	15 (88)	19 (79)	0.72
Reconstruction route of gastric tube, n			< 0.01
Antethoracic	7	0
Retrosternal	7	4
Posterior mediastinal	3	17
Median tumor size, mm (range)	18 (8-60)	15 (4-40)	0.21
depth, M/SM, n	16/4	24/4	0.6
Ulcerative findings positive, n (%)	3 (15)	4 (14)	0.94
Median procedure time, min (range)	50 (20-180)	108 (32-334)	< 0.01
En bloc resection, n (%)	19 (95)	25 (89)	0.48
Curative resection (eCura A or B), n (%)	17 (85)	21 (75)	0.4
Adverse events during ESD, n (%)	1 (5.0)	1 (3.6)	0.8
Adverse events post ESD, n (%)	3 (15)	2 (7.1)	0.37

OUH: Okayama University Hospital; ESD: Endoscopic submucosal dissection; M: Intramucosal; SM: Submucosal.