The Society of Thoracic Surgeons 2008 cardiac surgery risk models: part 2–isolated valve surgery

Field Value
Model ID09-028-04
Model NameSociety of Thoracic Surgeons (STS) (valve) - Ventilation
Pubmed ID19559823
First AuthorO'Brien
JournalAnnals of Thoracic Surgery
TitleThe Society of Thoracic Surgeons 2008 cardiac surgery risk models: part 2–isolated valve surgery
Primary Index ConditionCardiac Surgery
Secondary Index ConditionValve
OutcomeProlonged Ventilation
Model Sample Size109759
Cohort Sample Size109759
Number of Events12892
Follow-Up DurationShort (<3 months)
Calibration Reported1
CovariatesIntercept; Atrial fibrillation; Age function 1; Age function 3; Age by reoperation 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; Creatinine function 1; CVD without prior CVA; CVD and prior CVA; Diabetes, noninsulin; Diabetes, insulin; Diabetes by MVR function; Diabetes by MVRepair function; Dialysis; Ejection fraction 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; Insufficiency tricuspid; MI <=21 days; MVR; MVRepair; No. diseased vessel function; 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; Status by MVR function; Status by MVRepair function; Stenosis aortic
Mesh TermsTo be updated
Number of Validations4

External Validations

1st Author Year Sample Size AUC Calibration Relatedness
Holinski 2015 78 NR Yes Related
Ivanov 2016 1412 0.6666 Yes Distantly Related
Wang 2015 620 0.747 Yes Related
Wang 2017 407 0.784 No Related