Spearman correlation coefficients between the FAB and executive function tests (raw values) in patients with ALS without dementia
| FAB subitems | SDMT | VFT | ST |
|---|---|---|---|
| Conceptualisation | 0.473 (p<0.001) | 0.361 (p<0.001) | −0.302 (p=0.003) |
| Mental flexibility | 0.457 (p<0.001) | 0.730 (p<0.001) | −0.297 (p=0.004) |
| Motor programming | 0.304 (p=0.003) | 0.174 (p=0.092) | −0.0508 (p=0.625) |
| Sensitivity to interference | 0.317 (p=0.002) | 0.286 (p=0.005) | −0.221 (p=0.031) |
| Inhibitory control | 0.256 (p=0.012) | 0.275 (p=0.007) | −0.370 (p<0.001) |
| Environmental autonomy | 0.108 (p=0.296) | 0.106 (p=0.308) | 0.021 (p=0.837) |
| FAB total score | 0.610 (p<0.001) | 0.594 (p<0.001) | −0.434 (p<0.001) |
ALS, amyotrophic lateral sclerosis; FAB, frontal assessment battery; SDMT, Symbol Digit Modalities Test; ST, Stroop Test; VFT, Verbal Fluency Test.