Risk prediction of 30-day mortality after lower extremity major amputation

ObjectiveUniversal risk calculators may underestimate mortality risk, whereas purely observational administrative data may lack appropriate granularity to individualize risk. The purpose of this study was to create a simple risk prediction model to identify the factors associated with 30-day morality after lower extremity major amputation for ischemic vascular disease.MethodsThe Veterans Affairs Surgical Quality Improvement Program national data...