Table 1. Descriptive statistics and scores of neuropsychological and clinical testing for MS patients; means and standard deviations (in brackets).
| All | CIS | RRMS | SPMS | |
| N | 137 | 33 | 92 | 12 |
| Sex | 89 f/48 m | 24 f/9 m | 59 f/33 m | 6 f/6 m |
| Age (years) | 36.4 (10.1) | 34.6 (10.1) | 35.9 (10.0) | 44.4 (7.3) |
| Education (years) | 13.1 (2.6) | 13.1 (2.4) | 13.2 (2.8) | 12.8 (1.9) |
| Disease duration (years) | 7.5 (7.8) | 1.2 (2.9) | 8.8 (7.6) | 14.6 (7.1) |
| EDSS | 2.0 (1.7) | 1.2 (1.0) | 1.9 (1.4) | 5.7 (1.1) |
| Cognition | ||||
| SRT | 55.6 (10.5) | 60.1 (8.4) | 54.3 (10.6) | 52.4 (11.8) |
| SPAT | 22.3 (4.9) | 23.9 (3.6) | 22.1 (5.2) | 19.4 (4.7) |
| PASAT | 46.4 (11.1) | 48.4 (10.4) | 45.4 (11.3) | 47.9 (11.4) |
| SDMT | 47.5 (12.7) | 52.1 (11.0) | 46.7 (13.2) | 41.3 (9.2) |
| WLG | 25.9 (6.5) | 28.0 (7.4) | 25.3 (6.1) | 25.4 (6.6) |
Legend: N = sample size; EDSS = expanded disability status scale; SRT = selective reminding test; SPAT = spatial recall test; PASAT = paced auditory serial addition test; SDMT = symbol digit modalities test; WLG = word list generation; CIS = clinically isolated syndrome; RRMS = relapsing remitting MS; SPMS = secondary progressive MS; f = female; m = male.