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

Field Value
Model ID09-028-08
Model NameSociety of Thoracic Surgeons (STS) (valve) - Prolonged LOS
Pubmed ID19559823
First AuthorO'Brien
JournalAnnals of Thoracic Surgery
Year2009
TitleThe Society of Thoracic Surgeons 2008 cardiac surgery risk models: part 2–isolated valve surgery
Primary Index ConditionCardiac Surgery
Secondary Index ConditionValve
OutcomeProlonged LOS
Model Sample Size109759
Cohort Sample Size109759
Number of Events9718
Follow-Up DurationShort (<3 months)
AUROCNR
Calibration Reported1
CovariatesIntercept; Atrial fibrillation; Age function 1; Age function 3; Age by reoperation 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; CLD by MVR function; CLD by MVRepair function; Creatinine function 1; CVD and prior CVA; Diabetes, noninsulin; Diabetes, insulin; 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; IABP or inotropes; Immunosuppressive treatment; Insufficiency tricuspid; MI <=21 days; MVR; MVRepair; No. diseased vessel function; Peripheral vascular disease; Race black; Race Hispanic; Reop, 1 previous operation; Reop, >=2 previous operations; Shock; Shock by MVR function; Shock by MVRepair function; Status urgent; Status emergent; Stenosis aortic
Mesh TermsTo be updated
Number of Validations6

External Validations

Yes
6
0.71265
1st Author Year Sample Size AUC Calibration Relatedness
Holinski 2015 78 NR Yes Related
Ad 2015 3472 NR Yes Distantly Related
Zhang 2011 1333 0.7 Yes Related
Ivanov 2016 1412 0.7093 Yes Distantly Related
Wang 2017 407 0.716 No Related
Wang 2015 620 0.738 Yes Related