Table 2.

Clinical scores in patients

	Raw means	Z-scoresa
n = 42 patients
EDSS, median (range)	1.5 (0–3)	–
9-Hole Peg Test, s	20.4 ± 2.5	–
Timed 25-Foot Walk Test, s	4.4 ± 0.6	–
PASAT	−0.23 ± 1.2	−0.23 ± 1.2
SDMT	57.3 ± 9.6	−0.9 ± 1.1
BVMT-R	25.1 ± 5.9	−0.47 ± 1.1
CVLT-II	60.3 ± 9.2	1.1 ± 1.1

Data are presented as mean ± standard deviation, unless otherwise indicated. BVMT-R = brief visuospatial memory test-revised; CVLT-II = Californian verbal learning test II; EDSS = the Expanded Disability Status Scale; PASAT = paced auditory serial addition test; SDMT = symbol digit modalities test.

^a Z-scores calculated from normative values displayed in the National Multiple Sclerosis Society Task Force database and from the normative data provided by the Brief International Cognitive Assessment for MS initiative.