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dc.contributor.author
Baschung Pfister, Pierrette
dc.contributor.author
de Bruin, Eling D.
dc.contributor.author
Bastiaenen, Caroline H.G.
dc.contributor.author
Maurer, Britta
dc.contributor.author
Knols, Ruud H.
dc.date.accessioned
2019-06-11T07:50:27Z
dc.date.available
2019-06-11T02:29:45Z
dc.date.available
2019-06-11T07:50:27Z
dc.date.issued
2019-06-03
dc.identifier.issn
1932-6203
dc.identifier.other
10.1371/journal.pone.0217173
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/346552
dc.identifier.doi
10.3929/ethz-b-000346552
dc.description.abstract
The Myositis Activity Profile (MAP) is the only disease-specific questionnaire to assess limitations in activities of daily living (ADL) in patients with inflammatory myopathy (IM). Because a German version does not currently exist, this study’s aim was to translate the MAP and assess reliability and construct validity of the new version. Therefore, a cross-cultural adaptation was performed following international guidelines. Forty-eight patients with IM completed the German-MAP, twice within two weeks. They were also assessed using the Health Assessment Questionnaire (HAQ), 36-Item Short Form Survey (SF36), Manual Muscle Test (MMT8), Quantitative Muscle Testing (QMT) and Functional Index (FI-2). For discriminant validity, 48 age-and gender-matched healthy controls completed the German-MAP. Reliability was assessed using weighted kappa (Kw). Correlations between the MAP and the HAQ, the physical (PCM) and mental (MCS) component scores of SF36 and the MMT8 and QMT muscle tests were assessed using Spearman correlation analysis. Discriminative validity was assessed by calculating the Area under the Curve (AUC). The German-MAP showed substantial reliability for the four subscales (Kw: 0.65–0.71) and moderate to substantial reliability for the single items (Kw: 0.57–0.77). The MAP showed good construct validity (high correlations with HAQ and PCM, moderate with FI-2, QMT and MMT8 and poor with MCS and pain) and acceptable discrimination for three subscales and two single items (AUC: 0.65–0.79). In conclusion, the German-MAP appears to be a reliable and valid questionnaire to assess ADL-limitations in patients with IM. Further research is required, both to substantiate these results and to evaluate responsiveness.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Public Library of Science (PLoS)
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Reliability and validity of the German version of the Myositis Activities Profile (MAP) in patients with inflammatory myopathy
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
ethz.journal.title
PLoS ONE
ethz.journal.volume
14
en_US
ethz.journal.issue
6
en_US
ethz.journal.abbreviated
PLoS ONE
ethz.pages.start
e0217173
en_US
ethz.size
13 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
San Francisco, CA
en_US
ethz.publication.status
published
en_US
ethz.date.deposited
2019-06-11T02:29:50Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2019-06-11T07:50:37Z
ethz.rosetta.lastUpdated
2019-06-11T07:50:37Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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