Table 1. Demographic and clinical characteristics of the enrolled patients.

	Treated patients	Control patients
Number of patients	97	100
Age (mean ± SD)	59 ± 16	55 ± 19
Male (%)	51 (53)	48 (48)
Upper endoscopy indication (%)
Gastroesophageal reflux symptoms	63 (63)	65 (65)
Dyspepsia	24 (25)	27 (27)
Peptic ulcer follow-up	4 (4)	2 (2)
Gastric cancer follow-up	3 (3)	2 (2)
Barrett’s Esophagus follow-up	1 (1)	3 (3)
Vomiting	2 (2)	0
Upper gastrointestinal bleeding	1 (1)	1 (1)
Dysphagia	1 (1)	0
Upper endoscopy findings (%)
Duodenal ulcer	2 (2)	1 (1)
Gastric ulcer	4 (4)	2 (2)
Gastroduodenal erosions	18 (18)	14 (14)
Gastric polyps > 1 cm	7 (7)	6 (6)
Cancer	0	0

No statistically significant difference emerged.