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K Ray Chaudhuri 1 Article
Pain characteristics of Parkinson’s disease using validated Arabic versions of the King’s Parkinson’s Disease Pain Scale and Questionnaire: A Multicenter Egyptian Study
Ali Shalash, Salma R Mohamed, Marwa Y Badr, Shimaa Elgamal, Shaimaa A. Elaidy, Eman E. Elhamrawy, Hayam Abdel-Tawab, Haidy Elshebawy, Heba Mohamed, Tamer Roushdy, Wafik S. Bahnasy, Haitham H. Salem, Ehab A.El-Seidy, Hatem S Shehata, Hazem Marouf, K Ray Chaudhuri, Eman Hamid
Received April 9, 2024  Accepted June 25, 2024  Published online June 25, 2024  
DOI: https://doi.org/10.14802/jmd.24088    [Accepted]
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AbstractAbstract PDF
Objective
Pain is one of the most common non-motor symptoms in Parkinson’s disease (PD), with variable characteristics among populations. This multicenter Egyptian study aimed to translate and validate the King’s Parkinson’s Disease Pain Scale (KPPS) and questionnaire (KPPQ) into Arabic versions and to investigate the pain characteristics in Egyptian people with PD (PWP).
Methods
192 PWP and 100 sex and age-matched controls were evaluated by KPPS-Arabic and KPPQ-Arabic. Both tools were assessed for test-retest reliability, floor or ceiling effects, construct validity and convert validity. PWP were assessed also by MDS-UPDRS, Hoehn and Yahr, NMSS, PD Questionnaire-39, and the Non-Motor Fluctuation Assessment (NoMoFA).
Results
KPPS-Arabic and KPPQ-Arabic showed inter and intra-rater consistency and high validity, with an acceptable ceiling effect. 188 PWP (97.9%) reported at least 1 type of pain, (p<0.001). The severity and prevalence of KPPS-Arabic domains were significantly higher in all pain domains among PWP compared to controls (p < 0.001). Fluctuation-related and musculoskeletal pains were the most common (81.3% and 80.7%, respectively). In the PD group, the total and domains of KPPS-Arabic were significantly correlated to the MDS-UPDRS total, parts I, II, III, PIGD, axial, and H &Y scores, but not age or age of onset. Predictors of KPPS-Arabic included the total MDS-UPDRS, part III-Off, disease duration, total NMSS, and NoMoFA.
Conclusion
The current multicentre study provided a validated Arabic versions of KPPS and KPPQ, with high reliability and validity, and demonstrated a high prevalence and severity of pain within Egyptian PWP and characterized its determinants.

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