Development and Internal Validation of the Soluble ST2, Age, and Estimated Glomerular Filtration Rate–Heart Failure Score for Predicting 30-Day Major Adverse Cardiovascular Events After Heart Failure Hospitalization in a Two-Center Vietnamese Cohort: Prospective Cohort Study

Background: Patients hospitalized for heart failure (HF) face a high-risk early postdischarge period. Objective: We aimed to develop and internally validate the soluble ST2, age, and estimated glomerular filtration rate–heart failure (SAGE-HF) score, a simplified risk model incorporating soluble...