Prior VTE (DVT or PE)

No prior VTE (0 pts)+0Prior VTE (+3 pts)+3

Known Thrombophilia

No known thrombophilia (0 pts)+0Known inherited or acquired thrombophilia (+2 pts)+2

Active Cancer (Currently Treated)

No active cancer (0 pts)+0Active cancer (+2 pts)+2

Lower Limb Paralysis or Current Immobility

No immobility (0 pts)+0Lower limb paralysis or full immobility (+2 pts)+2

Age ≥ 60 Years

Age < 60 years (0 pts)+0Age 60–74 years (+1 pt)+1Age ≥ 75 years (+2 pts)+2

ICU/CCU Admission

Not in ICU/CCU (0 pts)+0Current ICU or CCU admission (+1 pt)+1

Obesity (BMI > 30 kg/m²)

BMI ≤ 30 (0 pts)+0BMI > 30 kg/m² (+1 pt)+1

Active Infection or Inflammatory Condition

No (0 pts)+0Active infection or inflammatory condition (+1 pt)+1

Estrogen Therapy (OCP or HRT)

No estrogen therapy (0 pts)+0Estrogen therapy (OCP or HRT) (+1 pt)+1

IMPROVE VTE Risk Score — VTE Risk in Acutely Ill Medical Inpatients