Table 1. Results with UESD versus UESD-R.

ESD technique (n = 6/group)	Cap	UESD	UESD-R	Significance
Procedural time (mins +/– SD)	58 (+/– 21)	56 (+/– 10)	25 (+/– 7)	Cap vs. UESD = 0.97 UESD vs. UESD-R = 0.005 Cap vs. UESD-R = 0.003
Dissection time (mins +/– SD)	52 (+/– 20)	45 (+/– 6)	5 (+/– 3)	Cap vs. UESD = 0.57 UESD vs. UESD-R = 0.0001 Cap vs. UESD-R = 0.0001

UESD, underwater endoscopic submucosal dissection; UESD-R, underwater endoscopic submucosal dissection with retraction; SD, standard deviation