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Developing a new scoring scheme for the Hemophilia Joint Health Score 2.1

Tiago Ribeiro1, Audrey Abad2, Brian M Feldman2,3,4

  • 1Schulich School of Medicine & Dentistry Western University London Ontario Canada.

Research and Practice in Thrombosis and Haemostasis
|July 12, 2019
PubMed

Insights

This study updated the Hemophilia Joint Health Score (HJHS) by weighting its items, improving assessment precision for joint health in hemophilia patients. The new weighted HJHS offers a more accurate tool for clinical management and research.

Area of Science:

  • Musculoskeletal health
  • Rheumatology
  • Hemophilia research

Background:

  • The Hemophilia Joint Health Score (HJHS) is a validated tool for assessing joint health in hemophilia.
  • It currently uses an ordinal scoring system for 9 items across 6 joints.
  • The HJHS is recognized for evaluating arthropathy in children and young adults.

Purpose of the Study:

  • To develop an updated scoring system for the HJHS.
  • To overcome limitations of the current ordinal scoring structure.
  • To enhance the precision of joint health assessment in hemophilia.

Main Methods:

  • A survey was created using 1000Minds decision-making software.
  • Health care professionals ranked criteria for HJHS items to determine preference weights.
  • The survey targeted professionals with extensive experience in examining joints in hemophilia patients.

Main Results:

  • 64 musculoskeletal health professionals participated, with a 64% completion rate.
  • Item weights were determined, with extension loss (0.139) and swelling (0.121) ranked highest.
  • The updated score demonstrated a 5.4 relative efficiency improvement compared to the original HJHS.

Conclusions:

  • Differences in preference weights suggest potential under- or overestimation with the current HJHS.
  • An updated, weighted scoring system can improve HJHS assessment precision.
  • This enhanced tool may lead to better clinical management and serve as a robust research instrument.
Abstract

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