Factors associated with chronic gastritis in patients with presence and absence of Helicobacter pylori.

Background: Chronic gastritis is an inflammation of the stomach mucosa, which is considered its main etiological factor the Helicobacter pylori.

Aim: To observe the differences in patients with chronic gastritis as well as the presence and absence of H. pylori, to obtain a better understanding of the etiological factors, clinical, dietary and lifestyle habits and associated diseases.