A simple risk tool (the OBSERVANT score) for prediction of 30-day mortality after transcatheter aortic valve replacement

Field Value
Model ID14-010-01
Model NameObservational Study Of Appropriateness, Efficacy And Effectiveness of AVR-TAVR Procedures For the Treatment Of Severe Symptomatic Aortic Stenosis (OBSERVANT) Score
Pubmed ID24837264
First AuthorCapodanno
JournalAmerican Journal of Cardiology
Year2014
TitleA simple risk tool (the OBSERVANT score) for prediction of 30-day mortality after transcatheter aortic valve replacement
Primary Index ConditionValve Disease
Secondary Index ConditionN/A
OutcomeMortality
Model Sample Size1256
Cohort Sample Size1878
Number of Events77
Follow-Up DurationShort (<3 months)
AUROC0.73
Calibration Reported1
CovariatesGFR <45 mL/min; Critical state; Pulmonary hypertension; Diabetes mellitus; NYHA class 4; Prior balloon aortic valvuloplasty (BAV); LVEF <40%
Mesh TermsTo be updated
Number of Validations3

External Validations

Yes
3
0.5835
1st Author Year Sample Size AUC Calibration Relatedness
Collas 2016 225 NR No Related
Martin 2017 6676 0.57 Yes Related
Zbronski 2016 156 0.597 Yes Related