Table 1. Sociodemographic and clinical data of all participants.
| ALS (N = 72) | HC (N = 65) | ||||
| Mean (SD) | Range | Mean (SD) | Range | p | |
| Age (years) | 59.3 (9.93) | 32–82 | 60.1 (10.44) | 33–82 | 0.611 |
| Gender (N male/female) | 46/26 | 38/27 | 0.515 | ||
| Handedness (N right/left/amb) | 69/3/0 | 61/2/2 | 0.320 | ||
| Education (years) | 13.1 (2.45) | 9–21 | 13.4 (1.86) | 10–17 | 0.116 |
| IQ (WST) | 102.7 (11.39) | 79–139 | 104.2 (6.31) | 92–118 | 0.195 |
| ALSFRS-R | 36.5 (6.39) | 14–46 | |||
| Disease duration (months) | 30.5 (36.67) | 3–272 | |||
| El Escorial (N NA/poss/prob/def) | 11/17/23/21 | ||||
| Phenotype ALS (N class/UMN/LMN) | 48/12/12 | ||||
HC = Healthy Controls; NA = not assigned; UMN = Upper Motor Neuron variant; LMN = Lower Motor Neuron variant; SD = standard deviation; p = Level of significance from U-tests for independent samples and univariate analyses of variance (ANOVAs).