Table 6.
Number of subjects with pathological equivalent scores in each neuropsychological test
| RBD Baseline n = 24 | Ctrls Baseline n = 12 | P | RBD F-up n = 24 | Ctrls F-up n = 12 | P | |
|---|---|---|---|---|---|---|
| MMSE§ | ||||||
| Memory | ||||||
| Digit Span Forward§ | 2 | 0 | NS | 2 | 0 | NS |
| Digit Span Backward§ | 9 | 3 | NS | 2 | 3 | NS |
| Corsi block tapping task§ | 5 | 1 | NS | 5 | 1 | NS |
| Corsi supraspan | 9 | 2 | NS | 14 | 1 | 0.005 |
| Story recall | 14 | 1 | 0.005 | 20 | 2 | 0.0002 |
| Rey-Osterrieth complex figure delayed recall | 9 | 0 | NS | 9 | 0 | 0.02 |
| Executive functions | ||||||
| Raven's progressive matrices | 3 | 0 | NS | 3 | 0 | NS |
| Attentional matrices | 2 | 0 | NS | 1 | 0 | NS |
| Stroop color word interference test§ | 0 | 0 | NS | 0 | 0 | NS |
| Trail Making Test (A)§ | 2 | 0 | NS | 0 | 0 | NS |
| Trail Making Test (B) | 0 | 0 | NS | 0 | 0 | NS |
| Phonemic fluency | 4 | 1 | NS | 4 | 1 | NS |
| Semantic fluency | 0 | 0 | NS | 1 | 0 | NS |
| Visuo-spatial abilities | ||||||
| Rey-Osterrieth complex figure copy§ | 19 | 1 | 0.0001 | 15 | 0 | 0.0003 |
§
Non parametric test (Mann-Whitney U).
RBD, REM behavior disorder; Ctrls, control subjects.