Fig 1. Patients included in the study.

Diagram depicting details of number of patients/year and who was included in the study, based on H. pylori positive culture. Negative culture was related to H. pylori (negative), confirmed by histological analysis and rapid urease test or any other laboratory assay. Unsuccessful describes a sample where it was not possible to recover the isolate from a positive biopsy sample (positive for histological analysis and positive for rapid urease test and any other laboratory assay).