Lokman Bayram

Day of Arrival as a Determinant of Endoscopy Timing in Non-Variceal Upper Gastrointestinal Bleeding: A Natural-Experiment Cohort Study of Clinical Outcomes and Length of Stay

Background/Objectives: Guidelines recommend endoscopy within 24 h in acute upper gastrointestinal bleeding, but observational studies are confounded by indication. We used the weekday endoscopy schedule of our centre as a natural experiment. Methods: We studied a retrospective co...