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Updated: Oct 18, 2026
The Multiple Sclerosis Performance Test (MSPT): An iPad-Based Disability Assessment Tool
Published on: June 30, 2014
Rater reliability of Fahn's tremor rating scale in patients with multiple sclerosis
J Hooper1, R Taylor, B Pentland
1Department of Clinical Neurosciences, Western General Hospital, Edinburgh, United Kingdom.
Objective:
Assessment of movement disorders in patients with multiple sclerosis (MS) is difficult because of the complex nature of the movement disorders. The aim of this study was to determine the reliability of Fahn's Tremor Rating Scale (FTRS) in assessing movement disorders in patients with MS.
Method:
Videos were made of 10 patients with MS showing their rest, postural, action/intention, and goal-related movement disorders as well as their performance of spirometry, a volumetric task, and timed functional tasks. Ratings of tremor were carried out by one rater on two occasions 3 months apart and by 8 raters on one occasion using FTRS.
Results:
Intrarater reliability was generally very good, with no significant "drift" in ratings over time. Interrater reliability was generally good, with some variation in interpretation of scoring criteria that may reflect raters' backgrounds.
Conclusion:
The FTRS is a reliable and potentially useful tool with which to assess movement disorders in patients with MS.
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