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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
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Mateen, Bilal A., Baker, Karen and Playford, Diane (2019) 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. Topics in Stroke Rehabilitation, 26 (1). pp. 24-31. doi:10.1080/10749357.2018.1517510
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WRAP-Rasch-analysis-upper-limb-sub-scale-STREAM-tool-Playford-2018.pdf - Accepted Version - Requires a PDF viewer. Download (1504Kb) | Preview |
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WRAP-supplementary-material.pdf - Supplemental Material - Requires a PDF viewer. Download (398Kb) | Preview |
Official URL: http://dx.doi.org/10.1080/10749357.2018.1517510
Abstract
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 < 0.05). Although, the reliability was good (Person-Separation Index – 0.847 and 0.903, respectively). Correcting for the disordered thresholds, and thereby producing the new scoring pattern, led to substantial improvement in the overall fit (chi-square probability of fit – 22%), however, the reliability was slightly reduced (PSI – 0.806).
Conclusions
The study proposes a new scoring method for the upper-limb subscale of the STREAM outcome measure in the acute stroke population.
| Item Type: | Journal Article | ||||||||
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| Subjects: | R Medicine > RC Internal medicine | ||||||||
| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School > Health Sciences > Social Science & Systems in Health (SSSH) Faculty of Medicine > Warwick Medical School |
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| Library of Congress Subject Headings (LCSH): | Cerebrovascular disease -- Rehabilitation, Disabilities, Psychometrics, Arm -- Paralysis | ||||||||
| Journal or Publication Title: | Topics in Stroke Rehabilitation | ||||||||
| Publisher: | Taylor & Francis | ||||||||
| ISSN: | 1074-9357 | ||||||||
| Official Date: | 2019 | ||||||||
| Dates: |
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| Volume: | 26 | ||||||||
| Number: | 1 | ||||||||
| Page Range: | pp. 24-31 | ||||||||
| DOI: | 10.1080/10749357.2018.1517510 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Publisher Statement: | This is an Accepted Manuscript of an article published by Taylor & Francis in Topics in Stroke Rehabilitation on 03 Oct 2018, available online: http://www.tandfonline.com/10.1080/10749357.2018.1517510 | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| RIOXX Funder/Project Grant: |
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