Baseline demographics of ALS patients without dementia (n=132) compared to those of healthy controls (n=110)
| Demographic variable | ALS patients | Healthy controls | p Value | ||
| Mean (SD) | n | Mean (SD) | n | ||
| Age at time of assessment | 62.7 (9.5) | 132 | 60.5 (9.6) | 110 | 0.075 |
| Male sex | 60.6% (–) | 132 | 48.2% (–) | 110 | 0.071 |
| Education (number of years) | 12.2 (3.3) | 132 | 12.8 (3.4) | 109 | 0.150 |
| WTAR-predicted premorbid FSIQ | 101.1 (12.3) | 100 | 103.1 (8.8) | 107 | 0.05 |
| HADS-estimated anxiety scores | 5.4 (4.0) | 99 | 6.5 (4.0) | 70 | 0.076 |
| HADS-estimated depression scores | 2.6 (2.8) | 99 | 1.9 (2.3) | 70 | 0.121 |
ALS, amyotrophic lateral sclerosis; FSIQ, Full-Scale IQ; HADS, Hospital Anxiety and Depression Scale; WTAR, Wechsler Test of Adult Reading.