Correlations between the motor performance parameters and the clinical scores in the MS group, with age as control variable (correlation coefficient r values and p values are reported).

*indicates statistical significance.
SV = Spontaneous Velocity condition. MV = Maximal Velocity condition. 2 Hz = metronome condition (tone set at a rate of 2 Hz). 2 Hz_bim = metronome condition with both hands simultaneously. RATE = movement speed. TD = Touch Duration. ITI = Inter Tapping Interval. IHI = Inter Hand Interval. EDSS = Expanded Disability Status Scale. MSFC = Multiple Sclerosis Functional Composite. 9-HPT = 9-Hole Peg Test. T25W = Timed 25-Foot Walk. PASAT = Paced Auditory Serial Addition. MFIS = Modified Fatigue Impact Scale.