Development and validation of Patient Reported Impact of Spasticity Measure (PRISM)

Karon F. Cook*, Cayla R. Teal, Joan C. Engebretson, Karen A. Hart, Jane S. Mahoney, Susan Robinson-Whelen, Arthur M. Sherwood

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Persons with spinal cord injury (SCI) may experience a range of symptoms typically labeled "spasticity." Previous efforts to develop assessment tools that measure spasticity have failed to represent the experiences of persons who live with the condition. The purpose of this multicenter study was to develop an instrument that measures the impact of spasticity on quality of life. Based on 24 semistructured interviews, a developmental form of the Patient Reported Impact of Spasticity Measure (PRISM) was constructed. The developmental PRISM was administered to 180 persons at five sites. Subscales were developed based on factor analytic results. Evidence for the reliability and validity of the scores was evaluated. Seven subscales were developed, including one that measures the positive effects of spasticity. Results of reliability and validity assessments indicate that the PRISM subscale scores effectively measure the impact of spasticity in the population of veterans with SCI.

Original languageEnglish (US)
Pages (from-to)363-372
Number of pages10
JournalJournal of Rehabilitation Research and Development
Volume44
Issue number3
DOIs
StatePublished - 2007

Keywords

  • Abnormal muscle control
  • Factor analysis
  • Involuntary muscle movement
  • Motor control
  • Outcome assessment
  • Psychometrics
  • Quality of life
  • Rehabilitation
  • Spasticity
  • Spinal cord injury

ASJC Scopus subject areas

  • Rehabilitation

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