Correlation between demographic, clinical and cognitive variables in patients with ALS without dementia
| Age | Disease duration | FVC | MMT | ALSFRS-R |
|---|---|---|---|---|
| EI | ||||
| r=−0.482 | r=−0.055 | r=0.354 | r=0.048 | r=0.094 |
| p<0.001 | p=0.603 | p<0.001 | p=0.656 | p=0.379 |
| FAB | ||||
| r=−0.379 | r=−0.213 | r=0.234 | r=0.130 | r=0.161 |
| p<0.001 | p=0.040 | p=0.024 | p=0.223 | p=0.127 |
ALS, amyotrophic lateral sclerosis; ALSFRS-R, ALS Functional Rating Scale-revised; EI, Executive Index; FAB, frontal assessment battery; FVC, forced vital capacity; MMT, manual muscle testing.