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Establishing the consistency of a voice recognition symbol digit modalities test analogue
Margaret Wishart1,2, Marina R Everest3,4, Sarah A Morrow3,4
1Department of Psychiatry, University of Toronto, Toronto, ON, Canada.
Background:
We previously demonstrated the convergent validity of a fully automated voice recognition analogue of the Symbol Digit Modalities Test (VR-SDMT) for evaluating processing speed in people with multiple sclerosis (pwMS).
Objective/Methods:
We aimed to replicate these results in 54 pwMS and 18 healthy controls (HCs), demonstrating the VR-SDMT's reliability.
Results:
Significant correlations were found between the VR-SDMT and the traditional oral SDMT in the multiple sclerosis (MS) (r = -0.771, p < 0.001) and HC (r = -0.785, p < 0.001) groups.
Conclusion:
Taken collectively, our two studies demonstrate the reliability and validity of the VR-SDMT for assessing processing speed in pwMS.
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