ALB and Cirrhosis: Finally, 18 parameters, including age, sex, presence of cirrhosis, active malignancy, use of antithrombotic drugs, previous history of UGIB, vomitus characters (red emesis or coffee-ground emesis), and stool characters (melena, maroon stool or red stool), duration of UGIB before hospitalization, resuscitation requirement, systolic blood pressure, heart rate, hemoglobin level, platelet number, serum albumin level, blood urea nitrogen level, creatinine level and INR level were used as input for the machine learning models.