Table 1.
Demographic and clinical information for amyotrophic lateral sclerosis (ALS) and control groups.
| ALS |
Control |
|||
|---|---|---|---|---|
| N | % | N | % | |
| Number | 21 | – | 61 | – |
| Number of females | 7 | 33 | 28 | 43 |
| Number with left-symptomatic limba | 7 | 33 | – | – |
| Mean | SD | Mean | SD | |
|---|---|---|---|---|
| Age (years) | 54 | 14 | 48 | 18 |
| Age of symptom onset (years) | 54 | 13 | – | – |
| Disease duration (years) | 1.8 | 0.8 | – | – |
| ALSFRS-R | 40.2 | 6.0 | – | – |
| FVC (% of predicted) | 83 | 22 | – | – |
| BPF | 0.725 | 0.029 | 0.738 | 0.031 |
ALS, amyotrophic lateral sclerosis; ALSFRS-R, amyotrophic lateral sclerosis functional rating scale (revised), scored from 0 (most impaired) to 48 (no impairment); FVC, forced vital capacity; SD, standard deviation; BPF, brain parenchymal fraction.
a
One with bulbar-only symptoms and the remaining 13 with symptoms in the right limb.