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Table 3 Overview of assumed clinical parameters for DVT and/or PE patients

From: Cost-effectiveness analysis of treatment of venous thromboembolism with rivaroxaban compared with combined low molecular weight heparin/vitamin K antagonist

Probability, mean (SE)

DVT patients

PE patients

Source

Event/outcome

   

Incidence of recurrent VTE (HR)

0.68 (0.218)

1.123 (0.207)

*

Incidence of major bleeding (HR)

0.646 (0.242)

0.493 (0.24)

*

Incidence of NMCR bleeding (RR)

1.055 (0.123)

1.001 (0.088)

*

Probability that a recurrent VTE is a DVT

0.483 (0.054)

0.372 (0.050)

*

Probability that a major bleeding event is a (major) IC bleed

0.125 (0.058)

0.143 (0.076)

*

Discontinuation

   

Patients with IC bleeding events

1.00 (0.0)

1.00 (0.0)

*

Patients with major EC bleeding events

0.400 (0.089)

0.164 (0.045)

*

Patients with NMCR bleeding events

0.110 (0.020)

0.054 (0.010)

*

For any other reason (additional) 3–12 months

0.019 (0.001)

0.021 (0.001)

*

For any other reason (additional) >12 months

0.036 (0.013)

0.036 (0.013)

Boggon 2011 [62]

 

DVT and PE patients

 

Risks of subsequent morbidities

Recurrent VTE (per 3-month time step)

0.013 (0.074)

Prandoni 2007 [41]

Progression to CTEPH after a PE

0.013 (0.002)

Miniati 2006 [38]

Cumulative incidence of severe PTS (to 1 year)

0.027 (0.007)

Prandoni 1997 [40]

Cumulative incidence of severe PTS (to 5 years)

0.081 (0.012)

Prandoni 1997 [40]

Mortality associated with another model event

PE (during acute treatment phase)

0.250 (0.041)

*

PE (after acute treatment phase)

0.331 (0.041)

Prandoni 1997 [40]

Major IC bleeding

0.436 (0.036)

Linkins 2010 [42]

Major EC bleeding

0.039 (0.007)

*

CTEPH (per 3-month cycle)

0.025 (0.020)

Condliffe 2008 [43]

  1. *Data are from EINSTEIN DVT or EINSTEIN PE unless otherwise stated [25,26].
  2. CTEPH, chronic thromboembolic pulmonary hypertension; DVT, deep vein thrombosis; EC, extracranial; HR, hazard ratio; IC, intracranial; NMCR, non-major clinically relevant; PE, pulmonary embolism; PTS, post-thrombotic syndrome; RR, relative risk; SE, standard error; VTE, venous thromboembolism.