Table 2.
Neuropsychological test scores for patients with RLS and normal controls.
| Patients (n = 30) | Controls (n = 31) | p | |
|---|---|---|---|
| Attention and executive function composite score | − 0.17 ± 0.66 | 0.23 ± 0.63 | 0.019* |
| Digit span, forward | 8.5 ± 1.8 | 9.2 ± 1.9 | 0.147 |
| Digit span, backward | 7.1 ± 1.7 | 7.7 ± 1.6 | 0.152 |
| Corsi block, forward | 7.6 ± 1.5 | 8.8 ± 1.7 | 0.005* |
| Corsi block, backward | 7.2 ± 1.4 | 8.1 ± 1.5 | 0.028* |
| Train making test B, time to completion | 85.7 ± 39 | 75.6 ± 30.3 | 0.281 |
| Stroop tests, correct responses | 104.2 ± 12.1 | 105.0 ± 11.1 | 0.786 |
| Verbal fluency composite score | − 0.11 ± 0.82 | 0.13 ± 0.92 | 0.295 |
| COWAT, phonemic | 33.2 ± 10.8 | 39.0 ± 12.1 | 0.058 |
| COWAT, semantic | 40.7 ± 9.3 | 40.7 ± 10.8 | 0.990 |
| Verbal memory composite score | − 0.13 ± 0.77 | 0.13 ± 0.95 | 0.264 |
| CVLT, total | 53.4 ± 7.0 | 57.9 ± 9.8 | 0.060 |
| CVLT, short | 11.3 ± 2.6 | 12.1 ± 2.8 | 0.267 |
| CVLT, long | 12.2 ± 2.1 | 12.9 ± 2.4 | 0.271 |
| CVLT, recognition | 15.0 ± 1.2 | 15.0 ± 1.3 | 0.835 |
| Visual memory composite score | 0.09 ± 0.73 | − 0.06 ± 0.96 | 0.885 |
| RCFT, immediate | 22.0 ± 5.3 | 21.9 ± 6.5 | 0.974 |
| RCFT, delayed | 21.4 ± 5.2 | 21.4 ± 6.2 | 0.964 |
| RCFT, recognition | 20.6 ± 1.8 | 20.3 ± 2.5 | 0.715 |
| Visuospatial function composite score | 0.04 ± 0.91 | − 0.06 ± 0.97 | 0.948 |
| RCFT, copy | 34.7 ± 1.5 | 34.6 ± 1.7 | 0.774 |
| RCPM | 32.3 4.4 | 33.0 ± 2.8 | 0.530 |
| Beck Depression Inventory | 13.3 ± 7.9 | 6.3 ± 6.6 | 0.001* |
| Beck Anxiety Inventory | 8.0 ± 5.4 | 3.5 ± 4.0 | 0.001* |
RLS, restless legs syndrome; COWAT, controlled oral word association test; CVLT, California verbal learning test; RCFT, Rey complex figure test; RCPM, Raven's colored progressive matrices test.
*p < 0.05; independent t-tests.