Caprini Venous Thromboembolism Risk Assessment Model (Female)
Individualized perioperative venous thromboembolism risk assessment model for surgical patients
INSTRUCTIONS
Use this calculator to estimate postoperative venous thromboembolism risk using the 2005 Caprini risk factors.
Apply the total score to support prophylaxis planning together with surgical context and bleeding risk.
Age, years*
≤400
41-60+1
61-74+2
≥75+3
Type of surgery*
None0
Minor+1
Major >45 min, laparoscopic >45 min, or arthroscopic+2
Elective major lower extremity arthroplasty+5
Major surgery*
CHF*
Sepsis*
Pneumonia*
Pregnancy or postpartum (<1 month)*
Immobilizing plaster cast*
Hip, pelvis, or leg fracture*
Stroke*
Multiple trauma*
Acute spinal cord injury causing paralysis*
Varicose veins*
Current swollen legs*
Current central venous access*
History of DVT/PE*
Family history of thrombosis*
Positive Factor V Leiden*
Positive prothrombin 20210A*
Elevated serum homocysteine*
Positive lupus anticoagulant*
Elevated anticardiolipin antibody*
Heparin-induced thrombocytopenia*
Other congenital or acquired thrombophilia*
Mobility*
Normal, out of bed0
Medical patient currently on bed rest+1
Patient confined to bed >72 hours+2
History of inflammatory bowel disease*
BMI >25*
Acute MI*
COPD*
Present or previous malignancy*
Other risk factors*
On oral contraceptives or hormone replacement*
History of unexplained stillborn, ≥3 spontaneous abortions, or premature birth with toxemia or growth-restricted infant*