Development and validation of risk prediction algorithm (QThrombosis) to estimate future risk of venous thromboembolism: prospective cohort study

Field Value
Model ID11-031-05
Model NameHippisley-Cox 2011 - 5 Years
Pubmed ID21846713
First AuthorHippisley-Cox
JournalBMJ
Year2011
TitleDevelopment and validation of risk prediction algorithm (QThrombosis) to estimate future risk of venous thromboembolism: prospective cohort study
Primary Index ConditionPopulation Sample
Secondary Index ConditionN/A
OutcomeVenous Thromboembolism (VTE)
Model Sample Size2314701
Cohort Sample Size2598829
Number of EventsNR
Follow-Up DurationLong (>6 months)
AUROCNR
Calibration Reported1
CovariatesAge; Sex; Ethnicity; Smoking status; Varicose vein surgery; Chronic kidney disease (stage 4 or 5); Cancer; Heart failure; Chronic obstructive airways disease; Crohns or ulcerative colitis?; Admitted to hospital in last 6 months; Antipsychotics; Hormone replacement therapy (HRT); Oral contraceptive; Tamoxifen; Body mass index
Mesh TermsTo be updated
Number of Validations2

External Validations

Yes
2
0.7605
1st Author Year Sample Size AUC Calibration Relatedness
Hippisley-Cox 2014 1682709 0.756 Yes Related
Hippisley-Cox 2014 1588803 0.765 Yes Related