Caprini score for venous thromboembolism
Calculator
When to use
Age
≤ 40
41-60
61-74
≥ 75
Type of surgery
None
Minor
Arthroscopic, major > 45 min) or laparoscopic > 45 min)
Elective major lower extremity arthroplasty
Varicose veins
Yes
No
Current swollen legs
Yes
No
Current central venous access
Yes
No
History of DVT/PE
Yes
No
Family history of thrombosis
Yes
No
Positive Factor V Leiden
Yes
No
Positive prothrombin 20210A
Yes
No
Elevated serum homocysteine
Yes
No
Positive lupus anticoagulant
Yes
No
Elevated anticardiolipin antibodies
Yes
No
Heparin-induced thrombocytopenia
Yes
No
Other congenital or acquired thrombophilia
Yes
No
Mobility
Normal, out of bed
Medical patient currently at bed rest
Patient confined to bed > 72 hours
History of inflammatory bowel disease
Yes
No
Body mass index > 25
Yes
No
History of acute MI
Yes
No
COPD
Yes
No
Present or previous malignancy
Yes
No
Other risk factors
Yes
No
Recent (< 1 month) events
Prior major surgery
Congestive heart failure
Sepsis
Serious lung disease including pneumonia
Immobilizing plaster cast
Hip, pelvis, or leg fracture
Stroke
Multiple trauma
Acute spinal cord injury paralysis)
Female patients only
History of oral contraceptives or hormone replacement
History of unexplained stillborn, ≥ 3 spontaneous abortions, or premature birth with toxemia or growth-restricted infant
Pregnancy or postpartum
Calculation
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