Creation of a quantitative recipient risk index for mortality prediction after cardiac transplantation (IMPACT)

Field Value
Model ID11-032-01
Model NameWeiss 2011
Pubmed ID21871277
First AuthorWeiss
JournalAnnals of Thoracic Surgery
Year2011
TitleCreation of a quantitative recipient risk index for mortality prediction after cardiac transplantation (IMPACT)
Primary Index ConditionHeart Transplant
Secondary Index ConditionN/A
OutcomeMortality
Model Sample Size17079
Cohort Sample Size21378
Number of EventsNR
Follow-Up DurationLong (>6 months)
AUROC0.65
Calibration Reported1
CovariatesAge greater than 60; Bilirubin 0-0.99; Bilirubin 1-1.99; Bilirubin 2-3.99; Bilirubin >=4; Creatinine clearance >50 mL/minute; Creatinine clearance 30-49 mL/minute; Creatinine clearance <30 mL/minute; Dialysis between listing and transplant; Female sex; Heart failure etiology: ideopathic; Heart failure etiology: ischemic; Heart failure etiology: congenital; Heart failure etiology: other; Heart failure etiology: infection; Heart failure etiology: IABP; Heart failure etiology: mechanical ventilation prior to transplant; Race: Caucasian; Race: African American; Race: Hispanic; Race: Other; Temporary circulatory support; Ventricular assist device: older gen pulsatile; Ventricular assist device: new gen continuous (excluding HMII); Ventricular assist device: Heartmate II
Mesh TermsTo be updated
Number of Validations4

External Validations

Yes
4
0.6
1st Author Year Sample Size AUC Calibration Relatedness
Nilsson 2015 1194 0.52 No N/A
Nilsson 2015 8244 0.59 Yes N/A
Nilsson 2015 40117 0.61 No N/A
Nilsson 2015 4048 0.65 No N/A