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. 2022 Mar 25;6(2):e12690.
doi: 10.1002/rth2.12690. eCollection 2022 Feb.

The Hemophilia Joint Health Score version 2.1 Validation in Adult Patients Study: A multicenter international study

Jean St-Louis  1   2 , Audrey Abad  3 , Sharon Funk  4 , Merlyn Tilak  5 , Stephen Classey  6 , Nichan Zourikian  7 , Paul McLaughlin  8 , Sébastien Lobet  9 , Grace Hernandez  10 , Stacie Akins  11 , Anna J Wells  12 , Marilyn Manco-Johnson  4 , Judy John  5 , Steve Austin  6 , Pratima Chowdhary  8 , Cedric Hermans  9 , Diane Nugent  10 , Nihal Bakeer  11 , Sarah Mangles  12 , Pamela Hilliard  3 , Victor S Blanchette  13   14 , Brian M Feldman  15   16
Affiliations

The Hemophilia Joint Health Score version 2.1 Validation in Adult Patients Study: A multicenter international study

Jean St-Louis et al. Res Pract Thromb Haemost. .

Erratum in

Abstract

Background: The Hemophilia Joint Health Score (HJHS) was developed and validated to detect arthropathy in children. Additional evidence is required to show validity in adults. We studied the convergent and discriminant construct validity of the HJHS version 2.1(HJHSv2.1) in adults with hemophilia. A secondary aim was to define age-related normative adult HJHSv2.1 reference values.

Methods: We studied 192 adults with hemophilia, and 120 healthy adults in four age-matched groups-18 to 29, 30 to 40, 41 to 50, and >50 years-at nine centers. Trained physiotherapists scored the HJHS and World Federation of Hemophilia (WFH) joint score. Health history, the Functional Independence Scale of Hemophilia (FISH), Hemophilia Activities List (HAL), and Short-Form McGill Pain Questionnaire (SF-MPQ) were also collected.

Results: The median age was 35.0 years. Of participants with hemophilia, 68% had severe, 14% moderate, and 18% mild disease. The HJHS correlated strongly with WFH score (Spearman's rho [rs ] = .95, P < .001). Moderate correlations were seen between the FISH (rs = .50, P < .001) and SF-MPQ Present Pain Intensity (rs = .50, P < .001), while a modest correlation was found with the HAL (rs = -.37, P < .001). The HJHS significantly differentiated between age groups (Kruskal-Wallis T = 35.02, P < .001) and disease severity in participants with hemophilia. The HJHS had high internal reliability (Cronbach's α = .88). We identified duration of swelling as a redundant item in the HJHS.

Conclusions: The HJHS shows evidence of strong convergent and discriminant construct validity to detect arthropathy in adults with hemophilia and is well suited for use in this population.

Keywords: adult; arthropathy; hemarthrosis; hemophilia; validity of results.

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Figures

FIGURE 1
FIGURE 1
The Hemophilia Joint Health Score total scores in the hemophilia and healthy cohorts by age group and severity
See this image and copyright information in PMC

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