Venous Thromboembolism Risk Calculator

Venous thromboembolism Risk Stratification for Non-Surgical Patients

IMPROVE Score

Prior episode of VTE
Thrombophilia
Paralysis of the lower extremity during the hospitalization
Current malignancy
Immobilization for at least 7 days
ICU or CCU admission
Age more than 60 years

Score:

IMPROVEDD Score

IMPROVEDD VTE Risk Score Calculator
Variable	Score
Prior episode of VTE	3
Thrombophilia	2
Paralysis of the lower extremity during the hospitalization	2
Current malignancy	2
Immobilization for at least 7 days	1
ICU or CCU admission	1
Age more than 60 years	1
D-dimer ≥2× upper limit of normal (or ≥1.0 μg/mL)	2
IMPROVEDD Score:
Predicted Risk of Symptomatic VTE: