MAP(ASH): A new scoring system for the prediction of intervention and mortality in upper gastrointestinal bleeding

Background and Aim Risk stratification for upper gastrointestinal bleeding (UGIB) is recommended. However, scoring system accuracy is suboptimal, and score calculation can be complex. Our aim was to develop a new score, the MAP(ASH) score, with information available in the emergency room and to validate it. Methods The score was built from a prospective database of patients with UGIB and validated in an international database of 3012 patients...