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The Unified Multiple System Atrophy Rating Scale: Intrarater reliability
Author(s) -
Krismer Florian,
Seppi Klaus,
Tison François,
Sampaio Cristina,
Zangerl Anja,
Peralta Cecilia,
Yekhlef Farid,
Ghorayeb Imad,
OryMagne Fabienne,
Galitzky Monique,
Bozi Maria,
Scaravilli Tommaso,
Colosimo Carlo,
Geser Felix,
Rascol Olivier,
Poewe Werner,
Quinn Niall P.,
Wenning Gregor K.
Publication year - 2012
Publication title -
movement disorders
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.352
H-Index - 198
eISSN - 1531-8257
pISSN - 0885-3185
DOI - 10.1002/mds.25181
Subject(s) - intra rater reliability , rating scale , reliability (semiconductor) , kappa , atrophy , inter rater reliability , psychology , physical therapy , physical medicine and rehabilitation , medicine , pathology , developmental psychology , mathematics , power (physics) , physics , quantum mechanics , geometry
Background: The Unified Multiple System Atrophy Rating Scale (UMSARS) was developed to provide a surrogate measure of disease progression in multiple system atrophy. In the present study, the intrarater agreement of the motor examination part of the UMSARS was determined. Methods: All patients were first examined face to face, while being video‐recorded, by two senior and two junior investigators. The patients' videotaped examinations were reevaluated after 3 months. Intrarater reliability for each item was analyzed by kappa statistics. Results: Overall weighted kappa (κ) values were at least substantial or excellent for all UMSARS motor examination items, except for ocular motor dysfunction, which showed only moderate intrarater agreement. Intrarater reliability was comparable between senior and junior raters, with all κ differences being ≤ 0.22. Conclusions: The motor examination part of the UMSARS was found to have satisfactory intrarater reliability in the present cohort. © 2012 Movement Disorder Society