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The Multiple Sclerosis Performance Test MSPT: An iPad-Based Disability Assessment Tool
Published on: June 30, 2014
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New algorithmic approach for easier and faster extended disability status scale calculation
Amr M Fouad1, Maged Abdel Naseer1, Marwa Farghaly1
1Neurology Department, Faculty of Medicine, Cairo University, Cairo, Egypt.
Multiple Sclerosis Journal - Experimental, Translational and Clinical
|February 23, 2023
Summary
A new algorithmic approach for calculating the Expanded Disability Status Scale (EDSS) shows excellent agreement with the traditional method and significantly reduces assessment time for multiple sclerosis patients.
Area of Science:
- Neurology
- Medical Assessment Tools
Background:
- The traditional paper and pencil Expanded Disability Status Scale (EDSS) calculation (pEDSS) is essential in multiple sclerosis (MS) practice but is time-consuming and requires expert input.
- A novel algorithmic approach (aEDSS) has been developed to streamline EDSS assessment.
Purpose of the Study:
- To evaluate the inter-rater agreement of the aEDSS compared to the pEDSS.
- To assess the time efficiency of the aEDSS in calculating EDSS scores.
Main Methods:
- A study involving 200 MS patients where two neurologists independently calculated EDSS scores.
- One neurologist used the traditional pEDSS, while the other used the aEDSS, with the order randomized.
- Inter-rater agreement for functional system scores and the final EDSS, along with calculation time, were compared.
Main Results:
- The aEDSS demonstrated excellent agreement with the pEDSS (Kappa > 0.81).
- The aEDSS significantly reduced calculation time (16 ± 2.67 min) compared to the pEDSS (31 ± 4.3 min; P < 0.0001).
Conclusions:
- The aEDSS offers a faster and easier method for EDSS calculation.
- This algorithmic approach presents a viable alternative to the traditional pEDSS in multiple sclerosis management.

