Reliability and Validity of the Persian Version of Multiple Sclerosis Spasticity Scale in Iranian Patients with Multiple Sclerosis

Document Type : Original Article

Authors

1 M.Sc. Student of Physiotherapy. Muscloskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

2 Ph.D Student of Physiotherapy. Department of Physiotherapy, Muscloskeletal Rehabilitation Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

3 Assistant Professor of Physiotherapy.Department of Physiotherapy, Rehabilitation School, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

4 Associate Professor of Physiotherapy. Department of Physiotherapy, Rehabilitation School, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

5 Associate Professor of Physiotherapy. Department of Physiotherapy, Paramedical School, Mashhad University of Medical Sciences, Mashhad, Iran.

6 Associate Professor of Neurology. Department of Neurology, Golestan Hospital, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran.

Abstract

Background and Objective: The aims of this study was to culturally adapt and validate the Persian-version of the Multiple Sclerosis Spasticity Scale and to present data on its psychometric properties in a sample of Iranian patients with multiple sclerosis.
Subjecrs and Methods: After standard forward and backward translations, 92 patients with MS completed the Persian versions of the MSSS-88 and MSQoL-54 in the first visit. With time interval of 2 days after the first visit, 40 patients filled out the MSSS-88 in the second visit. Test-retest reliability and internal consistency were assessed using intraclass correlation coefficient (ICC) and Cronbach's α coefficient, respectively. To evaluate construct validity of MSSS-88 compared to similar concepts of MSQoL-54, the spearman's rank correlation was used.
Results: MSSS-88 has a high ICC level. The minimum Cronbach's alpha level of 0.70 was exceeded by MSSS-88. In terms of construct validity, most of a priori hypotheses were confirmed.
Conclusion: These results demonstrate the the Persian-version of the MSSS-88 is a culturally-adapted, reliable and valid measure in Iranian patients with Multiple Sclerosis.

Keywords

References

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Jundishapur Scientific Medical Journal
Volume 16, Issue 2 - Serial Number 107
May and June 2017
Pages 197-208

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History

  • Receive Date: 20 August 2016
  • Revise Date: 16 May 2017
  • Accept Date: 20 May 2017

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