Table 3.19-8. Risk factors for VTE in hospitalized patients: the Padua risk assessment score
Baseline features Score

Active cancer (patients with regional lymph node involvement or distant metastases who received chemotherapy or radiotherapy in the prior 6 months)

3

A history of VTE (except for superficial vein thrombosis)

3

Immobilization (bed rest with bathroom privileges, either due to patient’s limitations or physician order, for at least 3 days)

3

Previous diagnosis of thrombophilia (deficiencies of antithrombin, protein C, protein S, or factor V Leiden, prothrombin gene G20210A mutation, or antiphospholipid syndrome)

3

Recent (≤1 month) trauma or surgery

2

≥70 years of age

1

Heart failure or respiratory failure

1

Acute myocardial infarction or ischemic stroke

1

Acute infection or rheumatologic disorder

1

Obesity (BMI ≥30 kg/m2)

1

Hormonal therapy

1

Interpretation:

Score ≥4: High risk of VTE

Adapted from J Thromb Haemost. 2010;8(11):2450-7.

BMI, body mass index; VTE, venous thromboembolism.