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| Item Type: | Article |
|---|---|
| Title: | Translation and validation of the multiple sclerosis walking scale 12 for the German population - the MSWS-12/D |
| Creators Name: | Chorschew, A. and Kesgin, F. and Bellmann-Strobl, J. and Flachenecker, P. and Schiffmann, I. and Rosenthal, F. and Althoff, P. and Drebinger, D. and Arsenova, R. and Rasche, L. and Dorsch, E.M. and Heesen, C. and Paul, F. and Stellmann, J.P. and Schmitz-Hübsch, T. |
| Abstract: | BACKGROUND: Gait impairment is a relevant problem in persons with multiple sclerosis (pwMS). The Multiple Sclerosis Walking Scale 12 (MSWS-12) is a valid Patient Reported Outcome Measure (PROM) to evaluate walking ability in pwMS. The aim of this study was to provide a linguistically valid translation of MSWS-12 into German language (MSWS-12/D) and to evaluate its psychometric properties. METHODS: The MSWS-12 was translated in a process modified from guidelines for the cross-cultural adaption of PROMs, and a pre-test was applied in a small sample of 20 pwMS to evaluate comprehensibility and acceptance. Psychometric properties (floor and ceiling effects, internal consistency, construct validity) were then assessed in 124 pwMS seen at academic MS centers. Construct validity was evaluated against Expanded Disability Status Scale (EDSS) and maximum gait speed in the Timed 25-Foot Walk (T25FW). RESULTS: Although the sample covered a wide spectrum of symptom severity, the majority had rather low levels of disability (EDSS median 2.0) and 6.5% scored EDSS of 0. In this sample, MSWS-12/D showed floor effects (36% with score 0) and for internal consistency, a Cronbach's alpha of 0.98 was calculated. MSWS-12/D score showed a relevant correlation to EDSS (? = 0.73) and T25FW speed (r=-0.72). CONCLUSION: We provide MSWS-12/D as a linguistically valid German version of MSWS-12. Psychometric properties (acceptance, floor and ceiling effects, internal consistency and construct validity) in pwMS were similar to those described for the original version. This indicates that MSWS-12/D can be applied as equivalent to the original version in German speaking pwMS. Results support the relevance of PROMs to capture patient perception of walking ability in addition to performance-based assessments such as maximum walking speed or maximum walking distance. |
| Keywords: | Multiple Sclerosis, Walking Ability, Gait Impairment, MSWS-12, Patient Reported Outcome |
| Source: | Health and quality of life outcomes |
| ISSN: | 1477-7525 |
| Publisher: | BioMed Central |
| Volume: | 21 |
| Number: | 1 |
| Page Range: | 110 |
| Date: | 9 October 2023 |
| Official Publication: | https://doi.org/10.1186/s12955-023-02190-2 |
| PubMed: | View item in PubMed |
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