# Caprini Score (VTE Risk, 2005)

Calculate the 2005 Caprini Risk Assessment Model to stratify venous thromboembolism (VTE) risk in surgical patients. ~40 items weighted 1/2/3/5 points: 1 point (age 41-60, minor surgery, BMI >25, swollen legs, varicose veins, pregnancy/postpartum, recurrent miscarriage, OCP/HRT, sepsis <1mo, lung disease/pneumonia <1mo, COPD, acute MI, CHF <1mo, bedridden, medical bed rest, IBD); 2 points (age 61-74, arthroscopic surgery, major open surgery >45min, laparoscopic >45min, malignancy, bed >72h, plaster cast, central line); 3 points (age ≥75, personal/family VTE history, factor V Leiden, prothrombin 20210A, lupus anticoagulant, anticardiolipin, homocysteine, HIT, other thrombophilia); 5 points (stroke <1mo, elective major lower-extremity arthroplasty, hip/pelvis/leg fracture <1mo, acute spinal cord injury <1mo, multiple trauma <1mo). Management tiers: 0 lowest, 1-4 low-moderate (mechanical), 5-6 high (consider LMWH 7-10d), 7-8 high (LMWH 7-10d), ≥9 highest (LMWH 30d). Derived from Caprini 2005. Not medical advice.

> Canonical page: https://elysiatools.com/en/tools/caprini-score

- **Category:** Health

- **Keywords:** Caprini, VTE, venous thromboembolism, DVT, PE, surgical patients, thromboprophylaxis, LMWH, risk assessment model, RAM

## Overview

The Caprini Score calculator applies the 2005 Caprini Risk Assessment Model to selected risk factors in surgical patients, adds the assigned points, and returns a total score, risk category, and model-based interpretation for venous thromboembolism (VTE) risk. It is not medical advice.

## Inputs

- **Age 41–60 years** (checkbox): +1.
- **Minor surgery (< 45 min)** (checkbox): +1.
- **BMI > 25** (checkbox): +1.
- **Swollen legs** (checkbox): +1.
- **Varicose veins** (checkbox): +1.
- **Pregnancy or postpartum** (checkbox): +1.
- **History of unexplained or recurrent miscarriage** (checkbox): +1.
- **Oral contraceptives or hormone replacement** (checkbox): +1.
- **Sepsis (< 1 month)** (checkbox): +1.
- **Serious lung disease incl. pneumonia (< 1 month)** (checkbox): +1.
- **Abnormal pulmonary function (COPD)** (checkbox): +1.
- **Acute myocardial infarction** (checkbox): +1.
- **Congestive heart failure (< 1 month)** (checkbox): +1.
- **Bedridden** (checkbox): +1.
- **Medical patient currently on bed rest** (checkbox): +1.
- **Inflammatory bowel disease** (checkbox): +1.
- **Age 61–74 years** (checkbox): +2.
- **Arthroscopic surgery** (checkbox): +2.
- **Major open surgery (> 45 min)** (checkbox): +2.
- **Laparoscopic surgery (> 45 min)** (checkbox): +2.
- **Malignancy (present or previous)** (checkbox): +2.
- **Confined to bed > 72 hours** (checkbox): +2.
- **Immobilizing plaster cast** (checkbox): +2.
- **Central venous access line** (checkbox): +2.
- **Age ≥ 75 years** (checkbox): +3.
- **Personal history of VTE** (checkbox): +3.
- **Family history of VTE** (checkbox): +3.
- **Factor V Leiden** (checkbox): +3.
- **Prothrombin 20210A mutation** (checkbox): +3.
- **Lupus anticoagulant** (checkbox): +3.
- **Elevated anticardiolipin antibodies** (checkbox): +3.
- **Elevated homocysteine** (checkbox): +3.
- **Heparin-induced thrombocytopenia (HIT)** (checkbox): +3.
- **Other congenital or acquired thrombophilia** (checkbox): +3.
- **Stroke (< 1 month)** (checkbox): +5.
- **Elective major lower-extremity arthroplasty** (checkbox): +5.
- **Hip, pelvis, or leg fracture (< 1 month)** (checkbox): +5.
- **Acute spinal cord injury with paralysis (< 1 month)** (checkbox): +5.
- **Multiple trauma (< 1 month)** (checkbox): +5.

## When to use

- Estimate VTE risk for a surgical patient using the 2005 Caprini RAM.
- Review how age, surgery type, cancer, immobility, prior VTE, and thrombophilia affect the total score.
- Use the calculated score and interpretation as structured information to discuss with a qualified clinician.

## How it works

- Select every checkbox that matches the patient's documented risk factors.
- Each selected factor contributes 1, 2, 3, or 5 points according to the Caprini 2005 model.
- The calculator adds the points and assigns a risk category based on the total.
- The JSON result includes the total, point-group subtotals, category, interpretation, and model name.

## Use cases

- Preoperative VTE risk review for patients undergoing minor, open, laparoscopic, arthroscopic, or lower-extremity surgery.
- Structured assessment of patients with malignancy, immobility, previous VTE, family history, or thrombophilia.
- Educational review of how individual risk factors combine into Caprini risk categories.

## Frequently asked questions

### What does the Caprini Score measure?

It stratifies venous thromboembolism risk in surgical patients using the 2005 Caprini Risk Assessment Model.

### How are Caprini points assigned?

Risk factors contribute 1, 2, 3, or 5 points, depending on their weight in the model.

### What does a score of 0 mean?

A score of 0 is classified as the lowest risk category in this calculator.

### What information does the result include?

The result includes the total score, point subtotals, risk category, interpretation, and the Caprini RAM 2005 method.

### Is this calculator medical advice?

No. It is an informational calculator and does not replace assessment or treatment decisions by a qualified clinician.

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