Rasch analysis of the upper-limb subscale of the stroke rehabilitation assessment of movement (STREAM) tool in an acute stroke cohort Rasch analysis of the upper-limb subscale of the STREAM tool in an acute stroke population

Background: Stroke is a leading cause of disability worldwide. The most common impairment resulting from stroke is upper-limb weakness. Objectives: To determine the usefulness and psychometric validity of the upper-limb subscale of the STREAM in an acute stroke population. Methods: Rasch Analysis, i...

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Bibliographic Details
Published in:Topics in stroke rehabilitation 2019-01, Vol.26 (1), p.24-31
Main Authors: Mateen, Bilal A., Baker, Karen, Playford, E. Diane
Format: Article
Language:English
Subjects:
neurological rehabilitation
patient outcome assessment
Psychometrics
stroke
upper extremity
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Summary:Background: Stroke is a leading cause of disability worldwide. The most common impairment resulting from stroke is upper-limb weakness. Objectives: To determine the usefulness and psychometric validity of the upper-limb subscale of the STREAM in an acute stroke population. Methods: Rasch Analysis, including unidimensionality assumption testing, determining model fit, and analysis of: reliability, residual correlations, and differential item functioning. Results: 125 individuals were assessed using the upper-limb subscale of the Stroke Rehabilitation Assessment of Movement (STREAM) tool. Rasch analysis suggests the STREAM is a unidimensional measure. However, when scored using the originally proposed method (0-2), or using the response pattern (0-5) neither variant fit the Rasch model (p 
ISSN:1074-9357
1945-5119
DOI:10.1080/10749357.2018.1517510