Thread-Traction with a Sheath of Polypectomy Snare Facilitates Endoscopic Submucosal Dissection of Early Gastric Cancers

Table 1

Patients’ characteristics.

	Conventional ESD	ESD with TTSPS	p value
Sex (male : female)	26 : 8	48 : 6	NS
Median age (yrs) (range)	75 (34–91)	73 (46–86)	NS
Hypertension; (present : absent)	22 : 12	32 : 22	NS
Diabetes mellitus; (present : absent)	6 : 28	10 : 44	NS
Liver disease; (present : absent)	4 : 30	0 : 54	NS
Hemodialysis; (present : absent)	0 : 34	0 : 54	NS
Other comorbidities; (present : absent)	4 : 30	0 : 54	NS
Rate of usage of anticoagulant and/or antiplatelet drugs (%)	11.8 (4/34)	22.2 (12/54)	NS

ESD: endoscopic submucosal dissection; NS: not significant; and TTSPS: thread-traction method using a sheath of polypectomy snare.