Processing speed tasks MS patients Controls Mann-Whitney
Overt articulation rate      
Time (seconds) to articulate (1 syll. words) 3.75 (1.04) 2.98 (0.57) U=813.5, p<.0001
Time (seconds) to articulate (3 syll. words) 5.34 (1.36) 4.47 (1.12) U=872.5, p=.0005
Time (seconds) to articulate (5 syll. words) 8.71 (2.23) 7.21 (2.06) U=773, p<.0001
Digit-symbol copy test      
  n=126 n=30  
Nb of symbols correctly copied 98.56 (29.04) 122.27 (14.53) U=974.5, p<.0001
  Digit-symbol coding test      
  n=127 n=30  
Standard score 8.82 (3.29) 12.3 (2.91) U=833.5, p<.0001
Table 3: Processing speed performances of both groups.