Age 41-60 years 1 point

Age 61-74 years 2 points

Age ≥75 years 3 points

BMI >25 kg/m2 1 point

BMI >30 kg/m2 1 additional point (total 2 for obesity)

Varicose veins 1 point

Pregnancy or postpartum (≤1 month) 1 point

Oral contraceptives or hormone replacement 1 point

History of sepsis (≤1 month) 1 point

Serious lung disease (pneumonia, COPD) 1 point

Edema in lower extremities 1 point

Acute MI or CHF (≤1 month) 1 point

Bed confinement >72 hours 1 point

Central venous access 2 points

Major surgery (>45 min) 2 points

Laparoscopic surgery (>45 min) 2 points

Patient confined to bed before/after surgery 2 points

Malignancy (current or previous) 2 points

Prior DVT/PE 3 points

Family history of VTE 3 points

Factor V Leiden 3 points

Prothrombin 20210A mutation 3 points

Lupus anticoagulant 3 points

Anticardiolipin antibodies 3 points

Serum homocysteine elevated 3 points

Heparin-induced thrombocytopenia 3 points

Other congenital/acquired thrombophilia 3 points

Hip, pelvis, or leg fracture (≤1 month) 5 points

Stroke (≤1 month) 5 points

Multiple trauma (≤1 month) 5 points

Acute spinal cord injury (paralysis) 5 points

Elective major lower extremity arthroplasty 5 points

Hip, pelvis, or leg surgery (>45 min) 5 points

Multiple prior VTE events 5 points

Caprini Score for VTE Risk in Surgery