Endoscopic submucosal dissection for early gastric cancer with undifferentiated-type histology: A meta-analysis

Table 2 Clinical data of included studies (expanded indication)

Ref.	Complete resection	Curative resection	En bloc resection	Total recurrence	Total patients	Adverse events
Kang et al[24], 2010	17/18				18
Lee et al[25], 2010	11/17				17
Yamamoto et al[26], 2010	46/471	46/47	47/47		47	Bleeding 5/47 perforation 2/47
Park et al[28], 2012		23/55			55
Kamada et al[29], 2012	32/34				34
Okada et al[30], 2012		85/103	102/103		103
Park et al[31], 2013	91/116		106/116		116	Bleeding 7/116 perforation 6/116
Choi et al[32], 2013	66/82		72/82		82
Kim et al[33], 2013	23/29	23/29	25/29		29	Bleeding 0/29 perforation 2/29
Chung et al[35], 2014	50/58		51/58		58	Bleeding 4/76 perforation 0/76
Oka et al[36], 2014	57/60				60

¹Complete en bloc resection.