Study characteristics
| Model | HERDOO2 | Vienna | DASH |
|---|---|---|---|
| Year of publication | 2008 | 2010 | 2012 |
| Country | Four countries (unspecified) | Austria | Austria, Canada, Italy, Switzerland, UK, USA |
| Study setting | 12 tertiary care centres, patients enrolled between October 2001 and March 2006 | Recruited from 4 thrombosis centres in Vienna between July 1992 and August 2008 | Patient-level meta-analysis of previously published studies (11) |
| Study design | Prospective cohort study | Prospective cohort study | Individual patient data from 7 prospective studies |
| Clinical outcome | Recurrent VTE | Recurrent VTE | Recurrent VTE |
| Key prediction time points (months) | 12 months | 12, 60 months | 12, 24, 60 months |
| Total sample size | 646 | 929 | 1818 |
| Events | 91 | 176 | 239 |
VTE, venous thromboembolism.