Facioscapulohumeral muscular dystrophy functional composite outcome measure

ABSTRACT Introduction: We developed an evaluator‐administered functional facioscapulohumeral muscular dystrophy composite outcome measure (FSHD‐COM) comprising patient‐identified areas of functional burden for future clinical trials. Methods: We performed a prospective observational study of 41 pati...

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Veröffentlicht in:Muscle & nerve 2018-07, Vol.58 (1), p.72-78
Hauptverfasser: Eichinger, Katy, Heatwole, Chad, Iyadurai, Stanley, King, Wendy, Baker, Lindsay, Heininger, Susanne, Bartlett, Amy, Dilek, Nuran, Martens, William B., Mcdermott, Michael, Kissel, John T., Tawil, Rabi, Statland, Jeffrey M.
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container_end_page 78
container_issue 1
container_start_page 72
container_title Muscle & nerve
container_volume 58
creator Eichinger, Katy
Heatwole, Chad
Iyadurai, Stanley
King, Wendy
Baker, Lindsay
Heininger, Susanne
Bartlett, Amy
Dilek, Nuran
Martens, William B.
Mcdermott, Michael
Kissel, John T.
Tawil, Rabi
Statland, Jeffrey M.
description ABSTRACT Introduction: We developed an evaluator‐administered functional facioscapulohumeral muscular dystrophy composite outcome measure (FSHD‐COM) comprising patient‐identified areas of functional burden for future clinical trials. Methods: We performed a prospective observational study of 41 patients with FSHD at 2 sites. The FSHD‐COM includes functional assessment of the legs, shoulders and arms, trunk, hands, and balance/mobility. We determined the test‐retest reliability and convergent validity compared to established FSHD disease metrics. Results: The FSHD‐COM demonstrated excellent test‐retest reliability (intraclass correlation coefficient [ICC] 0.96; subscale ICC range, 0.90–0.94). Cross‐sectional associations between the FSHD‐COM and disease duration, clinical severity, and strength were moderate to strong (Pearson correlation coefficient range |0.51–0.92|). Discussion: The FSHD‐COM is a disease‐relevant, functional composite outcome measure suitable for future FSHD clinical trials that shows excellent test‐retest reliability and cross‐sectional associations to disease measures. Future directions include determining multisite reliability, sensitivity to change, and the minimal clinically important change in the FSHD‐COM. Muscle Nerve 58: 72–78, 2018
doi_str_mv 10.1002/mus.26088
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Methods: We performed a prospective observational study of 41 patients with FSHD at 2 sites. The FSHD‐COM includes functional assessment of the legs, shoulders and arms, trunk, hands, and balance/mobility. We determined the test‐retest reliability and convergent validity compared to established FSHD disease metrics. Results: The FSHD‐COM demonstrated excellent test‐retest reliability (intraclass correlation coefficient [ICC] 0.96; subscale ICC range, 0.90–0.94). Cross‐sectional associations between the FSHD‐COM and disease duration, clinical severity, and strength were moderate to strong (Pearson correlation coefficient range |0.51–0.92|). Discussion: The FSHD‐COM is a disease‐relevant, functional composite outcome measure suitable for future FSHD clinical trials that shows excellent test‐retest reliability and cross‐sectional associations to disease measures. Future directions include determining multisite reliability, sensitivity to change, and the minimal clinically important change in the FSHD‐COM. 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Future directions include determining multisite reliability, sensitivity to change, and the minimal clinically important change in the FSHD‐COM. Muscle Nerve 58: 72–78, 2018</description><subject>Clinical trials</subject><subject>composite measures</subject><subject>Correlation coefficient</subject><subject>Correlation coefficients</subject><subject>Dystrophy</subject><subject>facioscapulohumeral muscular dystrophy</subject><subject>functional testing</subject><subject>Hand (anatomy)</subject><subject>Identification methods</subject><subject>Medical research</subject><subject>Muscles</subject><subject>Muscular dystrophy</subject><subject>outcome measures</subject><subject>Reliability</subject><issn>0148-639X</issn><issn>1097-4598</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNp1kcFKxDAQhoMouq4efAEpeNFDdydNNk0ugiyuiooHFbyFbJq6lbapSaPs2xtdFRU8DcN8fPzMj9AehhEGyMZN8KOMAedraIBB5CmdCL6OBoApTxkRD1to2_snAMCc5ZtoKxOEYw75AF3OlK6s16oLtV2ExjhVJ9GnQ61cUix972y3WCZlaHVf2TZetW0666veJDb0cTFJY5QPzuygjVLV3ux-ziG6n53eTc_Tq5uzi-nJVaopJTwtBOQUlxSKnItJxvR8XuSag5iUqmQZIYLxgugim2MMBHhGVQlMFIIxwMIAGaLjlbcL88YU2rR9TC07VzXKLaVVlfx9aauFfLQvkgFjlNEoOPwUOPscjO9lU3lt6lq1xgYvsRAEMMETEtGDP-iTDS6-wcsM8phHAMeROlpR2lnvnSm_w2CQ7xXJ-FL5UVFk93-m_ya_OonAeAW8VrVZ_m-S1_e3K-UbDluccw</recordid><startdate>201807</startdate><enddate>201807</enddate><creator>Eichinger, Katy</creator><creator>Heatwole, Chad</creator><creator>Iyadurai, Stanley</creator><creator>King, Wendy</creator><creator>Baker, Lindsay</creator><creator>Heininger, Susanne</creator><creator>Bartlett, Amy</creator><creator>Dilek, Nuran</creator><creator>Martens, William B.</creator><creator>Mcdermott, Michael</creator><creator>Kissel, John T.</creator><creator>Tawil, Rabi</creator><creator>Statland, Jeffrey M.</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7T5</scope><scope>7TK</scope><scope>7TM</scope><scope>7TS</scope><scope>7U7</scope><scope>7U9</scope><scope>C1K</scope><scope>H94</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-0790-5315</orcidid></search><sort><creationdate>201807</creationdate><title>Facioscapulohumeral muscular dystrophy functional composite outcome measure</title><author>Eichinger, Katy ; 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source Wiley Online Library Journals Frontfile Complete
subjects Clinical trials
composite measures
Correlation coefficient
Correlation coefficients
Dystrophy
facioscapulohumeral muscular dystrophy
functional testing
Hand (anatomy)
Identification methods
Medical research
Muscles
Muscular dystrophy
outcome measures
Reliability
title Facioscapulohumeral muscular dystrophy functional composite outcome measure
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