Endoscopic Submucosal Dissection for Gastric Subepithelial Tumors: A Single-Center Experience

Table 2

Therapeutic outcomes of endoscopic submucosal dissection for gastric subepithelial tumors according to the layer of tumor origin.

	Total	SM	MP	value
	( = 49)	( = 40)	( = 9)
En bloc resection, (%)	43 (88)	38 (95)	5 (56)	0.007
Complete resection, (%)	41 (84)	36 (90)	5 (56)	0.028
Cause for incomplete resection, (%)
Lateral involvement	3 (6)	1 (3)	2 (22)	0.083
Vertical involvement	8 (16)	4 (10)	4 (44)	0.028
Median procedure time, min (range)	18.0 (6.0–140.0)	14.5 (6.0–65.0)	27.0 (13.0–140.0)	0.003
Procedure-related complications, (%)
Bleeding	2 (4)	1 (3)	1 (11)	0.337
Perforation	2 (4)	1 (3)	1 (11)	0.337

SM: submucosa; MP: muscularis propria.