Assessing arm and hand function after stroke: A validity test of the hierarchical scoring system used in the motor assessment scale for stroke

Joyce S. Sabari, Lian Lim Ai, Craig A. Velozo, Leigh Ann Lehman, Owen Kieran, Jin Shei Lai

Research output: Contribution to journalArticle

28 Citations (Scopus)

Abstract

Objective: To evaluate the validity of the scoring hierarchy for the 3 upper-limb items on the Motor Assessment Scale (MAS). Design: Application of Rasch analysis to 3 independent measurement scales, each representing the upper-arm function, hand movements, and advanced hand activities items of the MAS. Setting: Inpatient and outpatient occupational therapy (OT) programs in a department of rehabilitation of an urban hospital center. Participants: One hundred patients (67 men, 33 women; average age, 54.3±14.4y; average time since stroke onset, 104d) attending OT for stroke rehabilitation. Interventions: Not applicable. Main Outcome Measure: The MAS for stroke (upper-arm function, hand movements, and advanced hand activities sections). Results: Rasch analysis provided support for the validity of hierarchical scoring criteria for the upper-arm scale. This analysis, however, identified inconsistencies in the hierarchical scoring criteria for the hand function and advanced hand activities scales and, when considering measurement error, only small differences in difficulty level between several behavioral criteria. Conclusions: The findings lead to suggestions for changes in the behavioral criteria hierarchy for upper-limb items on the MAS and highlight the importance of using statistical analyses to test the validity of proposed hierarchies of behavioral criteria in functional assessments.

Original languageEnglish (US)
Pages (from-to)1609-1615
Number of pages7
JournalArchives of Physical Medicine and Rehabilitation
Volume86
Issue number8
DOIs
StatePublished - Aug 1 2005

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Arm
Hand
Stroke
Occupational Therapy
Upper Extremity
Urban Hospitals
Inpatients
Motor Activity
Outpatients
Rehabilitation
Outcome Assessment (Health Care)

Keywords

  • Arm
  • Hand
  • Motor skills
  • Rehabilitation
  • Stroke

ASJC Scopus subject areas

  • Physical Therapy, Sports Therapy and Rehabilitation
  • Rehabilitation

Cite this

Assessing arm and hand function after stroke : A validity test of the hierarchical scoring system used in the motor assessment scale for stroke. / Sabari, Joyce S.; Ai, Lian Lim; Velozo, Craig A.; Lehman, Leigh Ann; Kieran, Owen; Lai, Jin Shei.

In: Archives of Physical Medicine and Rehabilitation, Vol. 86, No. 8, 01.08.2005, p. 1609-1615.

Research output: Contribution to journalArticle

Sabari, Joyce S. ; Ai, Lian Lim ; Velozo, Craig A. ; Lehman, Leigh Ann ; Kieran, Owen ; Lai, Jin Shei. / Assessing arm and hand function after stroke : A validity test of the hierarchical scoring system used in the motor assessment scale for stroke. In: Archives of Physical Medicine and Rehabilitation. 2005 ; Vol. 86, No. 8. pp. 1609-1615.
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