IMPROVE Bleeding Risk Score Calculator

Estimates in-hospital bleeding risk in acutely ill medical patients considered for thromboprophylaxis. Includes interpretation, information buttons and a clinical guide.

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IMPROVE Bleeding Risk Score
Clinical Decision Tool

Estimates in-hospital bleeding risk in acutely ill medical patients considered for thromboprophylaxis.

Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
Select the finding that best matches the patient.
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Clinical Decision Support Only

MediCalc calculators are intended to support qualified healthcare professionals and must not replace professional clinical judgement. Do not enter patient-identifiable information into Saved Progress.

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MedicalC Knowledge Hub

IMPROVE Bleeding Risk Score: Clinical Guide

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Estimates in-hospital bleeding risk in acutely ill medical patients considered for thromboprophylaxis.

Overview

Estimates in-hospital bleeding risk in acutely ill medical patients considered for thromboprophylaxis.

Clinical Significance

A score of 7 or more identifies a higher bleeding-risk group in the IMPROVE model.

When to Use

  • Use as structured clinical decision support when the required data are available and reliable.

How It Is Calculated

  • The displayed variables are combined using the published equation or weighted point system.

Interpretation

  • A score of 7 or more identifies a higher bleeding-risk group in the IMPROVE model.

Worked Example

Enter verified patient data in the displayed units; MedicalC applies the published equation or point system.

Limitations

  • Classification and prognostic tools can be misapplied outside their validated population.
  • Missing, estimated or non-contemporaneous data may materially change the result.

Clinical Pearls

  • Document the input values, units, date and clinical setting with the result.
  • Use serial scores only when the same instrument and measurement method are used consistently.

Common Mistakes

  • Using the tool without confirming entry criteria.
  • Selecting overlapping findings that should be represented by the highest-scoring item only.
  • Treating a classification threshold as a standalone diagnosis.

Frequently Asked Questions

What does this tool calculate?

Estimates in-hospital bleeding risk in acutely ill medical patients considered for thromboprophylaxis.

Can this result be used alone?

No. Interpret it with the complete clinical assessment, applicable entry criteria and current guidance.

References

  1. Decousus H et al. Chest. 2011;139:69-79. — Primary or supporting reference for the implemented model.

Reviewed by: MedicalC Clinical Editorial Team
Last reviewed: July 2026

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Reviewed by: MedicalC Clinical Editorial Team Last reviewed: July 2026

Clinical Disclaimer

MedicalC calculators and clinical tools are intended to support healthcare professionals. They do not replace clinical judgement, individual patient assessment, local guidance or specialist advice.

Results should always be interpreted in the context of the patient’s history, examination, investigations, current clinical condition and applicable professional guidance.

Reviewed by: MedicalC Clinical Editorial Team Last reviewed: July 2026
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