A new risk scheme to predict warfarin-associated hemorrhage: The ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) Study

Field Value
Model ID11-029-01
Model NameAnticoagulation and Risk Factors in Atrial Fibrillation (ATRIA)
Pubmed ID21757117
First AuthorFang
JournalJournal of the American College of Cardiology
Year2011
TitleA new risk scheme to predict warfarin-associated hemorrhage: The ATRIA (Anticoagulation and Risk Factors in Atrial Fibrillation) Study
Primary Index ConditionArrhythmia
Secondary Index ConditionN/A
OutcomeHemorrhage
Model Sample Size6123
Cohort Sample Size6123
Number of Events307
Follow-Up DurationLong (>6 months)
AUROC0.69
Calibration Reported1
CovariatesAnemia; Severe renal disease; Age >=75 yrs; Any prior hemorrhage diagnosis; Diagnosed hypertension
Mesh TermsTo be updated
Number of Validations7

External Validations

Yes
7
0.59
1st Author Year Sample Size AUC Calibration Relatedness
Riva 2014 681 0.53 No Mismatch
Kiviniemi 2014 929 0.55 No Distantly Related
Fauchier 2016 533044 0.58 No Distantly Related
Lip 2012 7156 0.59 No Related
Apostolakis 2012 2293 0.61 Yes Distantly Related
Barnes 2014 2600 0.67 No Related
Roldan 2013 937 0.68 No Related