Table 1:

Demographic and clinical characteristics of HC and patients with RRMSa

ParameterHealthy Controls (n = 19)RRMS-NI (n = 19)RRMS-I (n = 20)
Age (yr)49.0 ± 7.146.4 ± 7.248.1 ± 4.7
Women (No.) (%)14 (73.68)15 (78.95)12 (60)
Education (yr)16.9 ± 2.9b16.1 ± 1.314.6 ± 1.9b
Disease duration (yr)NA11.8 ± 5.411.6 ± 4.9
HADS-A (log; median [IQR])3 (1, 6)b,c6 (5, 7)c8 (7, 10)
HADS-D (log; median [IQR])2.3 ± 2.3b3.5 ± 3.2d7.6 ± 2.9b,d
EDSS (median [IQR])NA1.5 (1, 2)d2.5 (2, 3)d
Cognitive tests (z score)
    BVMT-R_IR0.37 ± 1.15b-0.07 ± 1.04d−1.68 ± 1.34b,d
    BVMT-R_DR0.40 ± 1.14b0.42 ± 0.77d−1.62 ± 1.48b,d
    COWAT_FAS−0.67 ± 0.83−0.26 ± 1.06d−1.16 ± 0.89d
    CVLT-II_IR−0.25 ± 1.05b−0.23 ± 1.04d−1.94 ± 1.36b,d
    CVLT-II_DR−0.11 ± 0.66b0.21 ± 0.92d−2.20 ± 1.61b,d
    PASAT-2−0.21 ± 0.88b−0.26 ± 0.66d−1.80 ± 0.57b,d
    JLO0.98 ± 0.19b0.83 ± 0.590.40 ± 0.67b
    SDMT−0.14 ± 0.92b0.02 ± 0.75d−1.80 ± 1.17b,d
    DK-EFS0.51 ± 0.73b0.26 ± 0.61−0.20 ± 1.25b
  • Note:—BVMT-R_IR indicates Brief Visuospatial Test-Revised_Immediate Recall: BVMT-R_DR, Brief Visuospatial Test-Revised_Delayed Recall; HADS-A, Hospital Anxiety; HADS-D, Hospital Depression; IQR, interquartile range; NA, not applicable; EDSS, Expanded Disability Status Scale; COWART_FAS, Controlled Oral Work Association Test_Word Recall; CLVT-II_IR, California Verbal Learning Test-Second Edition_Immediate Recall: CVLT-II_DR, California Verbal Learning Test-Second edition_Delayed Recall; PASAT-2, Paced Auditory Serial Addition-Part 2; JLO, Judgment of Line Orientation Test; SDMT, Symbol Digit Modalities Test; DK-EFS, Delis-Kaplan Executive Function System.

  • a Clinical demographics of participating patients. Significance P < .05. All values are mean ± SD unless specified.

  • b HC vs RRMS-I.

  • c HC vs RRMS-NI.

  • d RRMS-NI vs RRMS-I.