INTRODUCTION Outcomes in old patients with upper gastrointestinal bleeding (UGIB) have been scarcely studied. Our aim was to compare very old individuals (>80 years old) with younger patients with UGIB, and to identify risk factors for the main outcomes. METHODS A single-centre prospectively collected database was analysed. Descriptive, inferential and multivariate logistic regression models were performed. Main clinical outcomes were in-hospital and delayed 6-month mortality. RESULTS 698 patients were included, 143 very old and 555 aged