Using a novel hemostatic peptide solution to prevent bleeding after endoscopic submucosal dissection of a gastric tumor

Table 2 Characteristics of the lesions and treatment outcomes, n (%)

	Group P	n = 101	Group C	n = 297
Location 1
U	11	(10.9)	43	(14.5)	0.2573
M	54	(53.5)	129	(43.4)
L	36	(35.6)	125	(42.1)
Location 2
L	57	(56.4)	136	(45.8)	0.1295
G	11	(10.9)	41	(13.8)
A	16	(15.8)	52	(17.5)
P	17	(16.8)	68	(22.9)
Endoscopists
Expert	30	(29.7)	154	(51.9)	0.0001
Non-expert	71	(70.3)	143	(49.4)
Resection time (min), median (range)	64	(10–320)	68	(7–445)	0.0991
Resection size (mm), median (range)	30	(14–60)	33	(5–80)	0.0106
En bloc resection	100	(99.0)	295	(99.3)	0.7506
R0 resection	95	(94.1)	274	(92.3)	0.2267
Post-ESD bleeding	6	(5.9)	20	(6.7)	0.7804
Intraoperative perforation	0	(0.0)	3	(1.0)	0.3106
Delayed perforation	0	(0.0)	0	(0.0)	-
Aspiration pneumonia	6	(5.9)	7	(2.4)	0.0801

ESD: Endoscopic submucosal dissection.