ArticleMovement disorders clinical practice2025
Validation of the Portuguese MDS-UPDRS: Challenges to Obtain a Scale Applicable to Different Linguistic Cultures.
Article in Movement disorders clinical practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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Who cites it
2 citing papers in PubMed.
- Article
- Validation of the Norwegian version of the Movement Disorder Society-Unified Parkinson's Disease Rating Scale.Clinical parkinsonism & related disorders · 2026Article
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Authors and funding
34 authors.
Funding
Abstract
backgroundThe MDS-UPDRS has been available in English since 2008, showing satisfactory clinimetric results and being proposed as the new official benchmark scale for Parkinson's disease (PD), being cited as a core instrument for PD in the National Institutes of Neurological Disorders and Stroke Common Data Elements program. For this reason, the MDS created guidelines for development of MDS-UPDRS official, clinimetrically validated translations.
objectiveThis study presents the formal process used to obtain the officially approved Portuguese version of the MDS-UPDRS.
methodsThe study consisted of three phases: (1) Independent translation by Portuguese and Brazilian teams followed by a challenging consensus process that this article particularly emphasizes; (2) Cognitive pretest involving raters and patients from both Portugal and Brazil; (3) Validation test with a sample of 367 native Portuguese-speaking PD patients.
resultsThe overall factor structure of the Portuguese version was consistent with the English version based on a comparative fit index ≥0.96 for all four parts of the MDS-UPDRS.
conclusionThis version can be designated as the official Portuguese version of the MDS-UPDRS.
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