Table 7.
—Caprini Risk Assessment Model
| 1 Point | 2 Points | 3 Points | 5 Points |
| Age 41-60 y | Age 61-74 y | Age ≥ 75 y | Stroke (< 1 mo) |
|
| |||
| Minor surgery | Arthroscopic surgery | History of VTE | Elective arthroplasty |
|
| |||
| BMI > 25 kg/m2 | Major open surgery (> 45 min) | Family history of VTE | Hip, pelvis, or leg fracture |
|
| |||
| Swollen legs | Laparoscopic surgery (> 45 min) | Factor V Leiden | Acute spinal cord injury (< 1 mo) |
|
| |||
| Varicose veins | Malignancy | Prothrombin 20210A | |
|
| |||
| Pregnancy or postpartum | Confined to bed (> 72 h) | Lupus anticoagulant | |
|
| |||
| History of unexplained or recurrent spontaneous abortion | Immobilizing plaster cast | Anticardiolipin antibodies | |
|
| |||
| Oral contraceptives or hormone replacement | Central venous access | Elevated serum homocysteine | |
|
| |||
| Sepsis (< 1 mo) | Heparin-induced thrombocytopenia | ||
|
| |||
| Serious lung disease, including pneumonia (< 1 mo) | Other congenital or acquired thrombophilia | ||
|
| |||
| Abnormal pulmonary function | |||
|
| |||
| Acute myocardial infarction | |||
|
| |||
| Congestive heart failure (< 1 mo) | |||
|
| |||
| History of inflammatory bowel disease | |||
|
| |||
| Medical patient at bed rest | |||