The Society of Thoracic Surgeons 2008 cardiac surgery risk models: part 3–valve plus coronary artery bypass grafting surgery

Field Value
Model ID09-029-08
Model NameSociety of Thoracic Surgeons (STS) (CABG/valve) - Prolonged LOS
Pubmed ID19559824
First AuthorShahian
JournalAnnals of Thoracic Surgery
Year2009
TitleThe Society of Thoracic Surgeons 2008 cardiac surgery risk models: part 3–valve plus coronary artery bypass grafting surgery
Primary Index ConditionCoronary Artery Disease (CAD)
Secondary Index ConditionCardiac Surgery
OutcomeProlonged LOS
Model Sample Size101661
Cohort Sample Size101661
Number of Events15594
Follow-Up DurationShort (<3 months)
AUROC0.719
Calibration Reported1
CovariatesIntercept; Preoperative Afib; Age function 1; Age function 3; Age by reop function; Age by status function; BSA function 1; BSA function 2; CHF but not NYHA IV; CHF and NYHA IV; CHF by MVR function; CHF by MVRepair function; CLD function; CLD by MVR function; CLD by MVRepair function; Creatinine function 1; CVD without prior CVA; CVD and prior CVA; Diabetes, noninsulin; Diabetes, insulin; Dialysis; Ejection fraction function; Endocarditis, active; Endocarditis by MVR function; Endocarditis by MVRepair function; Female; Female by BSA function 1; Female by BSA function 2; Hypertension; IABP or inotropes; IABP by MVR function; IABP by MVRepair function; Immunosuppressive treatment; MI <=21 days; MVR; MVRepair; No. diseased coronary vessel function; Peripheral vascular disease; Race black; Race Hispanic; Reop, 1 previous operation; Reop, >=2 previous operations; Reop by MVR function; Reop by MVRepair function; Shock; Status urgent; Status emergent; Status salvage; Stenosis, mitral
Mesh TermsTo be updated
Number of Validations2

External Validations

Yes
2
0.638
1st Author Year Sample Size AUC Calibration Relatedness
Ad 2015 3472 NR Yes N/A
Wang 2016 450 0.638 No N/A