The Mann-Whitney U test and χ 2 ... underwent the procedure. None required intervention. One patient with gastritis by endoscopy died from disseminated (non-upper GI) malignant disease 2 months ...

GI bleeding is classified into upper, middle, and lower GI bleeding based on the site of hemorrhage. Acute upper GI bleeding has an incidence of 84–160 cases per 100,000 individuals annually ...