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Parkinsons Dis. 2020 Aug 18;2020:2793945. doi: 10.1155/2020/2793945. eCollection 2020.

Validity and Reliability of Short-Form McGill Pain Questionnaire-2 (SF-MPQ-2) in Iranian People with Parkinson's Disease.

Parkinson's disease

Maryam Mehdizadeh, Seyed-Mohammad Fereshtehnejad, Sepide Goudarzi, Ainaz Moshtagh, Farzaneh Dehghanian Nasrabadi, Sayed Amir Hasan Habibi, Ghorban Taghizadeh

Affiliations

  1. Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.
  2. Department of Neurosciences, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
  3. Division of Clinical Geriatrics, Department of Neurobiology, Care Sciences and Society (NVS), Karolinska Institute, Stockholm, Sweden.
  4. Division of Neurology, Faculty of Medicine, University of Ottawa, Ottawa, ON, Canada.
  5. Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran.
  6. Department of Optometry, Faculty of Rehabilitation Sciences, Shahid Beheshti of Medical Science, Tehran, Iran.
  7. Department of Neurology, Rasoul Akram Hospital, Iran University of Medical Science, Tehran, Iran.
  8. Rehabilitation Research Center, Department of Occupational Therapy, School of Rehabilitation Sciences, Iran University of Medical Science, Tehran, Iran.

PMID: 32908666 PMCID: PMC7450331 DOI: 10.1155/2020/2793945

Abstract

PURPOSE: Pain is one of the nonmotor symptoms of Parkinson's disease (PD) that, in order to be better managed, requires to be evaluated. Evaluations are done using pain assessment scales such as the Short-Form McGill Pain Questionnaire-2 (SF-MPQ-2). The goal of this study was to assess the psychometric properties of SF-MPQ-2 to measure pain in people with PD.

METHODS: Four hundred and twenty-eight PD patients with a mean (SD) age of 60.11 (11.44) years were included. Accessibility was measured through floor and ceiling effects. Dimensionality was estimated by exploratory factor analysis. The association between SF-MPQ-2 and other scales such as Neuropathic Pain Symptom Inventory, Douleur Neuropathic 4, Brief Pain Inventory, King's Pain Parkinson's Disease Scale, and Visual Analog Scale-Pain was considered to calculate convergent validity. Internal consistency and test-retest reliability were assessed by Cronbach's alpha and intraclass correlation coefficient (ICC), respectively.

RESULTS: A noticeable floor effect was found. Dimensionality results indicated four factors for this scale. A strong relationship was found between the SF-MPQ-2 total score and other scales (

CONCLUSION: The results of this study showed that SF-MPQ-2 has adequate validity and reliability to measure pain in people with Parkinson's disease.

Copyright © 2020 Maryam Mehdizadeh et al.

Conflict of interest statement

The authors declare that there are no conflicts of interest regarding the publication of this paper.

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