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  • Title: Responsiveness and clinically meaningful changes for the Persian versions of the multiple sclerosis walking scale-12 and the modified fatigue impact scale following balance and gait rehabilitation in people with multiple sclerosis.
    Author: Monjezi S, Molhemi F, Shaterzadeh Yazdi MJ, Salehi R, Mehravar M, Kashipazha D.
    Journal: Physiother Theory Pract; 2022 Mar; 38(3):464-470. PubMed ID: 32431220.
    Abstract:
    Background and Purpose: The Multiple sclerosis walking scale-12 (MSWS-12) and the Modified Fatigue Impact Scale (MFIS) are two popular outcome measures applied widely for assessing self-perceived walking ability and fatigue in people with multiple sclerosis (PwMS). The present study aimed to examine responsiveness and clinically meaningful changes for the Persian versions of the MSWS-12 and the MFIS following balance and gait rehabilitation in PwMS.Methods: Fifty-eight PwMS completed the Persian versions of the MSWS-12 and the MFIS before and after 4 weeks of balance and gait rehabilitation. Also, a 7-point global rating scale as an external criterion of change was completed at the post-intervention evaluation. The area under the receiver operating characteristics curve (AUC) and the correlation analysis were used to assess the responsiveness. In addition, the minimally clinically important change (MCIC) was measured to determine clinically meaningful changes following rehabilitation.Results: The AUC values for the Persian MSWS-12 and MFIS were 0.74 and 0.73, respectively. There were good to excellent correlations between the global rating scale of change and the Persian MSWS-12 (Gamma = 0.77) also MFIS (Gamma = 0.80) change scores (p = .001). Moreover, the MCICs of 7.5 and 4 points were obtained for the Persian MSWS-12 and MFIS, respectively.Conclusion: The Persian versions of the MSWS-12 and the MFIS were responsive outcome measures for monitoring changes in walking and fatigue after balance and gait rehabilitation in PwMS. The calculation of MCIC values would enhance the interpretation of changes in clinical and research settings.
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