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Assessing the Relationship of Patient Reported Outcome Measures With Functional Status in Dysferlinopathy: A Rasch Analysis Approach

Lookup NU author(s): Dr Anna Mayhew, Meredith James, Dr ursula Moore, Helen Sutherland, Robert Muni Lofra, Heather Hilsden, Dr Michela GuglieriORCiD, Professor Andrew BlamireORCiD, Professor Volker StraubORCiD

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).


Abstract

Copyright © 2022 Mayhew, James, Moore, Sutherland, Jacobs, Feng, Lowes, Alfano, Muni Lofra, Rufibach, Rose, Duong, Bello, Pedrosa-Hernández, Holsten, Sakamoto, Canal, Sánchez-Aguilera Práxedes, Thiele, Siener, Vandevelde, DeWolf, Maron, Gordish-Dressman, Hilsden, Guglieri, Hogrel, Blamire, Carlier, Spuler, Day, Jones, Bharucha-Goebel, Salort-Campana, Pestronk, Walter, Paradas, Stojkovic, Mori-Yoshimura, Bravver, Díaz-Manera, Pegoraro, Mendell and Straub.Dysferlinopathy is a muscular dystrophy with a highly variable functional disease progression in which the relationship of function to some patient reported outcome measures (PROMs) has not been previously reported. This analysis aims to identify the suitability of PROMs and their association with motor performance.Two-hundred and four patients with dysferlinopathy were identified in the Jain Foundation's Clinical Outcome Study in Dysferlinopathy from 14 sites in 8 countries. All patients completed the following PROMs: Individualized Neuromuscular Quality of Life Questionnaire (INQoL), International Physical Activity Questionnaire (IPAQ), and activity limitations for patients with upper and/or lower limb impairments (ACTIVLIMs). In addition, nonambulant patients completed the Egen Klassifikation Scale (EK). Assessments were conducted annually at baseline, years 1, 2, 3, and 4. Data were also collected on the North Star Assessment for Limb Girdle Type Muscular Dystrophies (NSAD) and Performance of Upper Limb (PUL) at these time points from year 2. Data were analyzed using descriptive statistics and Rasch analysis was conducted on ACTIVLIM, EK, INQoL. For associations, graphs (NSAD with ACTIVLIM, IPAQ and INQoL and EK with PUL) were generated from generalized estimating equations (GEE). The ACTIVLIM appeared robust psychometrically and was strongly associated with the NSAD total score (Pseudo R2 0.68). The INQoL performed less well and was poorly associated with the NSAD total score (Pseudo R2 0.18). EK scores were strongly associated with PUL (Pseudo R2 0.69). IPAQ was poorly associated with NSAD scores (Pseudo R2 0.09). This study showed that several of the chosen PROMs demonstrated change over time and a good association with functional outcomes. An alternative quality of life measure and method of collecting data on physical activity may need to be selected for assessing dysferlinopathy.


Publication metadata

Author(s): Mayhew AG, James MK, Moore U, Sutherland H, Jacobs M, Feng J, Lowes LP, Alfano LN, Muni Lofra R, Rufibach LE, Rose K, Duong T, Bello L, Pedrosa-Hernandez I, Holsten S, Sakamoto C, Canal A, Sanchez-Aguilera Praxedes N, Thiele S, Siener C, Vandevelde B, DeWolf B, Maron E, Gordish-Dressman H, Hilsden H, Guglieri M, Hogrel J-Y, Blamire AM, Carlier PG, Spuler S, Day JW, Jones KJ, Bharucha-Goebel DX, Salort-Campana E, Pestronk A, Walter MC, Paradas C, Stojkovic T, Mori-Yoshimura M, Bravver E, Diaz-Manera J, Pegoraro E, Mendell JR, Jain COS Consortium, Straub V

Publication type: Article

Publication status: Published

Journal: Frontiers in Neurology

Year: 2022

Volume: 13

Online publication date: 10/03/2022

Acceptance date: 31/01/2022

Date deposited: 03/05/2022

ISSN (electronic): 1664-2295

Publisher: Frontiers Media S.A.

URL: https://doi.org/10.3389/fneur.2022.828525

DOI: 10.3389/fneur.2022.828525


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Funding

Funder referenceFunder name
Jain Foundation
MR/K000608/1Medical Research Council (MRC)

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