Comparison of Proton Pump Inhibitor and Histamine-2 Receptor Antagonist in the Prevention of Recurrent Peptic Ulcers/Erosions in Long-Term Low-Dose Aspirin Users: A Retrospective Cohort Study

Table 3

Follow-up endoscopic findings of patients taking long-term low-dose aspirin.

	Famotidine group ()	Omeprazole group ()	value
Lanza scale	1.7 ± 1.1	1.2 ± 0.7	0.008
Gastroduodenal ulcer/erosion*	15 (30.6%)	5 (9.1%)	0.005
Ulcer	10 (20.4%)	3 (5.5%)	0.04
Gastric ulcer^†	6	2
Duodenal ulcer	3	1
Gastric ulcer & duodenal ulcer	1	0
Erosion	5 (10.2%)	2 (3.6%)	0.2
Gastric erosion	5	1
Gastric erosion & duodenal erosion	0	1
Erosive esophagitis	7 (14.3%)	7 (12.7%)	1.0

*Results were presented as the most severe mucosal injury found on endoscopy.
^†One patient in famotidine group had gastric ulcer bleeding.