Table 2.

Clinical outcomes of the endoscopic submucosal dissection induced ulcers

	Vonoprazan group n = 85	Lansoprazole group n = 83	P-value
Healing of the artificial ulcer at 4 weeks, n (%)	17 (20.0)	14 (16.9)	0.60
Healing of the artificial ulcer at 8 weeks, n (%)	66 (77.6)	70 (84.3)	0.27
Median shrinkage rate of the artificial ulcer at 4 weeks, % (range)	96.3 (18.2–100)	95.1 (39.3–100)	0.68
Median shrinkage rate of the artificial ulcer at 8 weeks, % (range)	100 (92.7–100)	100 (89.3–100)	0.35
Complications
Delayed perforation, n (%)	1 (1)	0 (0)	1.00
Post-operative bleeding, n (%)	0 (0)	3 (4)	0.12