Table 4.

Clinical ESD outcomes

Organ	Esophageal	Gastric	Rectal	Colonic	Total
Endoscopist ESD experience, n (%)	7/19 (37)	17/19 (89)	16/19 (84)	6/19 (32)	19/19
Endoscopist ESD primary organ, n (%)	1/19 (5)	9/19 (47)	8/19 (42)	1/19 (5)	−
ESD total number of cases	30	293	147	40	510
ESD total number of cases per endoscopist, median (IQR)	4 (2–5)	10 (4.5–17.5)	5.5 (3.25–12.75)	3.5 (1–10.3)	19 (8–32)
En bloc resection, %	97	97	87	78	92
R0 resection, %	93	92	84	73	88
Curative resection, %	93	89	82	70	86
Surgery due to noncurative resection, %	0	7	5	10	6
Intra-procedural perforation, %	7	3	7	13	5
Intra-procedural bleeding, %	0	0	1	0	<1
Delayed bleeding, %	3	2	4	5	3
Surgery due to an adverse event, %	3	1	0	10	1