Symbol Digit Modalities Test: A valid clinical trial endpoint for measuring cognition in multiple sclerosis.
Lauren StroberJohn DeLucaRalph Hb BenedictAdam JacobsJeffrey A CohenNancy D ChiaravallotiLynn D HudsonRichard A RudickNicholas G LaRoccanull nullPublished in: Multiple sclerosis (Houndmills, Basingstoke, England) (2018)
Consistent with the published literature, the SDMT proved superior to the PASAT. The SDMT should be considered the measure of choice for MS trials in assessing cognitive processing speed.