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Updated: Aug 10, 2025
The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
Published on: June 30, 2014
In-person and remote administrations of the symbol digit modalities test are interchangeable among persons with
Sarah Levy1, Emily M Dvorak1, Robin Graney1
1Corinne Goldsmith Dickinson Center for Multiple Sclerosis, Department of Neurology, Icahn School of Medicine at Mount Sinai, 5 East 98th Street, Box 1138, New York, NY 10029, United States.
Background:
Remote administration of the Symbol Digit Modalities Test (SDMT) requires validation.
Objectives:
Examine interchangeability of remote and in-person SDMT administrations in persons with MS.
Methods:
After in-person baseline administration, follow-up administration was either performed in-person (n = 72) or remotely via videoconferencing (n = 143). We examined whether raw score change from baseline to follow-up differed between in-person and remote follow-up modalities.
Results:
SDMT raw score change did not differ between in-person and remote follow-up modalities (-0.1 ± 5.9 vs -0.2 ± 6.2, p = 0.995, d = 0.008), and correlations between baseline and follow-up were comparable across modalities (0.86 vs 0.88).
Conclusions:
Remote and in-person SDMT administrations appear interchangeable.
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