Table 4.
Neuropsychological test scores and cognitive domains in the study population (N=861).
| Neuropsychological tests and cognitive domains | Patients, n (%) |
Raw test scores, mean (SD) |
||||
| Working memory | 721 (83.7) | |||||
| WAIS-III Digit Span forward [24] | 715 (83.0) | 5.4 (1.1) | ||||
| WAIS -III Digit Span backward | 721 (83.7) | 4.0 (1.0) | ||||
| Memory | 854 (99.2) | |||||
| RAVLT trials 1-5 [25] | 815 (94.7) | 28.9 (11.5) | ||||
| VAT part A [26] | 783 (90.9) | 8.9 (3.7) | ||||
| RAVLT delayed recall | 810 (94.1) | 4.3 (3.8) | ||||
| RAVLT recognition | 806 (93.6) | 25.0 (4.1) | ||||
| Attention and executive functioning | 848 (98.5) | |||||
| Ratio TMTA part B/TMT part A [27] | 635 (73.8) | 3.1 (1.4) | ||||
| Stroop Color Word Test III/(I and II) [28] | 729 (84.7) | 1.2 (0.4) | ||||
| Category fluency (Animals) [29] | 833 (96.7) | 15.0 (6.6) | ||||
| Letter fluency [29] | ||||||
| N+A | 66 (7.6) | 17.5 (7.8) | ||||
| D+A+T | 626 (72.7) | 26.8 (13.2) | ||||
| Information processing speed | 837 (97.2) | |||||
| TMTA part A | 792 (92.0) | 72.0 (55.2) | ||||
| Stroop Color Word Test I | 796 (92.5) | 60.3 (25.5) | ||||
| Stroop Color Word Test II | 788 (91.5) | 86.2 (40.6) | ||||
| WAIS-III [24] | ||||||
| SDMT | 65 (7.5) | 42.0 (15.2) | ||||
| LDST | 696 (80.8) | 33.1 (12.7) | ||||
| Perception and construction | 705 (81.9) | |||||
| Incomplete Letters | 696 (80.8) | 17.4 (4.0) | ||||
| Dot Counting | 682 (79.2) | 9.3 (1.3) | ||||