Subjects were excluded from the study for the following reasons: antecedents of chronic diseases and/ or medical treatment, antecedents of peptic ulcers, upper endoscopy performed in the last 2 years, previous gastric surgery and biopsies with insufficient material.
Se excluyeron sujetos con antecedente de enfermedad crónica y/o en tratamiento médico, endoscopia digestiva alta realizada en los últimos 2 años, antecedente de úlcera péptica o cirugía gástrica y biopsias reportadas con insuficiente material.