The IMPROVE Bleeding Risk Assessment Score

NOTE: Whilst we have done our utmost to ensure the accuracy of the data in this section, users should access the original publications.

All information contained in this section of Practical-Haemostasis.com is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease.

The user of Practical-Haemostasis.com, assumes sole responsibility for any decisions made or actions taken based on the information contained herein.

1. Decousus H, Tapson VF, et al. Factors at admission associated with bleeding risk in medical patients: findings from the IMPROVE investigators. Chest. 2011; 139: 69-79.

2. Hostler DC, Marx ES, et al. Validation of the International Medical Prevention Registry on Venous Thromboembolism Bleeding Risk Score. Chest. 2016; 149: 372-9.

3. Rosenberg DJ, Press A, et al. External validation of the IMPROVE Bleeding Risk Assessment Model in medical patients. Thromb Haemost. 2016; 116: 530-6.

Age
≥85 yrs		3.5 Points
40-84 yrs		1.5 Points
<40 yrs		0 Points
Gender
Male		1 Point
Female		0 Points
Renal Function
Normal Renal Function [GFR ≥60 ml/min/m²		0 Points
Moderate Renal Failure [GFR 30-59 ml/min/m²		1 Point
Severe Renal Failure [GFR <30 ml/min/m²		2.5 Points
Liver Function
Normal Liver Function [INR ≤ 1.5]		0 Points
Liver Failure [INR > 1.5]		2.5 Points
Platelet Count
≥50 x 10⁹/L		0 Points
<50 x 10⁹/L		4 Points
Admission to ICU or CCU
		2.5 Points
Central Venous Catheter
		2 Points
Active Gastric or Duodenal Ulcer
		4.5 Points
Prior Bleeding within previous 3 months
		4 Points
Rheumatic Disease
		2 Points
Active Malignancy
		2 Points

Interpretation
Score	Bleed Risk Category
<7	Not at increased risk of bleeding
≥7	Increased risk of bleeding

Practical-Haemostasis.com

A Practical Guide to Haemostasis

Introduction

Navigation

Home Page

Data Interpretation App

Miscellaneous

Comments

LINKS & References