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Table 6 Number of patients impaired by ≥ 1 SD on three or more cognitive domains from the CDR System

From: Cognitive performance in relapsing remitting multiple sclerosis: A longitudinal study in daily practice using a brief computerized cognitive battery

Patient Impaired in Three or More Cognitive Domains? Day -60   Month 24  
  N (%) EDSS mean (SD) N (%) EDSS mean (SD)
No 26 (60.5) 2.4 (1.15) 23 (59) 2.4 (1.46)
Yes 17 (39.5) 3.4 (0.84) 16 (41) 3.3 (1.27)
T-test on EDSS   t 3.34 [40] p = 0.0018   t 2.06 [35] p = 0.0469
  1. SD, Standard Deviation. Correcting for multiplicity p-values are statistically significant at p < 0.025.
  2. CDR System domain scores: Power of Attention; Continuity of Attention; Quality of Working Memory; Quality of Episodic Memory; and Speed of Memory.