We excluded patients with clinical records of gastrectomy, peptic ulcer complications such as stenosis or bleeding, pregnant or nursing women, patients with endoscopic findings of MALT lymphoma or gastric cancer, and patients who had received any prior treatment for H. pylori.
Se excluyeron pacientes con antecedente de gastrectomía, complicaciones por úlcera péptica como estenosis o sangrado, mujeres embarazadas o lactando, hallazgos endoscópicos de linfoma MALT, cáncer gástrico, o que hayan recibido cualquier tratamiento para H. pylori.