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Title: The use of multi-domain patient reported outcome measures for detecting clinical disease progression in multiple sclerosis.
Author: van 't Hullenaar CAA, Coerver E, Kalkers NF, van Kempen Z, Koch M, Uitdehaag BMJ, Killestein J, Strijbis EMM.
Journal: Mult Scler Relat Disord; 2021 Oct; 55():103165. PubMed ID: 34404022.
Abstract:
OBJECTIVE: Patient reported outcome measures (PROMs) are especially relevant in times of increased interest in telehealth but little is known about their relation to functional disability measures. METHODS: We assessed 248 people with MS at baseline and at > = 5-years follow-up. We investigated cross-sectional and longitudinal correlations between changes in the Guy's Neurological disability scale (GNDS), and the physical part of the Multiple Sclerosis Impact Scale (MSIS-29) and the Expanded Disability Status Scale (EDSS), 9-hole peg test (9-HPT) and timed 25-foot walk (T25FW). RESULTS: The strongest cross-sectional correlations were found between the GNDS and EDSS in the complete cohort (r = 0.66, p <.001, n = 248) as well as in progressive patients (r = 0.72, p <.001, n = 35), and the GNDS and T25FW in progressive MS (r = 0.64, p <.001, n = 34). Longitudinal correlations were poor except for changes on the leg domain of the GNDS in relation to T25FW changes in progressive MS (r = 0.68, p <.001, n = 26). In the majority of cases a clinically significant deterioration on the EDSS also resulted in a clinically significant worsening of the GDNS and MSIS. CONCLUSION: Both PROMs correlate well with physical disability outcomes, and seem suitable for detecting changes in lower limb function in progressive MS. The GNDS has a higher agreement with EDSS progression than the MSIS-physical.

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