TABLE 1

Characteristics of the patient groups studieda

CharacteristicPPI-treated (n = 12)Untreated (n = 12)
Age (mean ± SD) (yr)56 ± 16.644.7 ± 9.6
Gender (men/women)3/94/8
Body mass index (mean ± SD) (kg/m2)23.0 ± 1.522.0 ± 1.8
Helicobacter pylori status (positive/negative)4/85/7
Gastric mucosa inflammation degree (mild/moderate)4/86/5
PPI treatment before upper endoscopy (mean ± SD) (mo)16 ± 3
  • a None of the comparisons were significantly different (P > 0.05, for all comparisons). Only one of the patients on proton-pump inhibitor (PPI) therapy had histological findings showing severe gastric inflammation.