| Model ID | 09-029-09 | 
 | Model Name | Society of Thoracic Surgeons (STS) (CABG/valve) - Short LOS | 
 | Pubmed ID | 19559824 | 
 | First Author | Shahian | 
 | Journal | Annals of Thoracic Surgery | 
 | Year | 2009 | 
 | Title | The Society of Thoracic Surgeons 2008 cardiac surgery risk models: part 3–valve plus coronary artery bypass grafting surgery | 
 | Primary Index Condition | Coronary Artery Disease (CAD) | 
 | Secondary Index Condition | Cardiac Surgery | 
 | Outcome | Short LOS | 
 | Model Sample Size | 101661 | 
 | Cohort Sample Size | 101661 | 
 | Number of Events | 22534 | 
 | Follow-Up Duration | Short (<3 months) | 
 | AUROC | 0.726 | 
 | Calibration Reported | 1 | 
 | Covariates | Intercept; Preoperative Afib; Age function 1; Age function 3; Age by reop function; Age by status function; Age by MVR function; Age by MVRepair function; BSA function 1; BSA function 2; CHF but not NYHA IV; CHF and NYHA IV; CLD function; Creatinine function 1; Creatinine by MVR function; Creatinine by MVRepair function; CVD without prior CVA; CVD and prior CVA; Diabetes, noninsulin; Diabetes, insulin; Dialysis; Dialysis by MVR function; Dialysis by MVRepair function; Ejection fraction function; EF by MVR function; EF by MVRepair function; Endocarditis, active; Female; Female by MVR function; Female by MVRepair function; Female by BSA function 1; Female by BSA function 2; Hypertension; IABP or inotropes; IABP by MVR function; IABP by MVRepair function; Immunosuppressive treatment; Insufficiency, tricuspid; MVR; MVRepair; No. diseased coronary vessel function; Race black; Race Hispanic; Reop, 1 previous operation; Reop, >=2 previous operations; Reop by MVR function; Reop by MVRepair function; Status urgent; Status emergent; Status salvage; Status by MVR function; Status by MVRepair function | 
 | Mesh Terms | To be updated | 
 | Number of Validations | 1 |