Table 1.
Demographics and clinical features of ALS subjects and controls.
| Controls | ALS with Right Index Limb | ALS with Left Index Limb | ||
|---|---|---|---|---|
| Number of subjects | 17 | 15 | 15 | – |
| Handedness (right:left) | 17:0 | 15:0 | 15:0 | – |
| Age (mean ± SD; range) | 56 ± 13 years (33–74 years) |
59 ± 13 years (30–76 years) |
56 ± 11 years (29–73 years) |
– |
| Sex (male:female) | 11M:6F | 11M:4F | 10M:5F | – |
| Sporadic:familial | – | 14:1 | 11:3 | – |
| Onset site | – | • 9 right upper limb • 5 Right lower limb • 1 bulbar |
• 7 left upper limb • 5 left lower limb • 3 bulbar |
– |
| Disease duration, months (mean ± SE; range) | – | 23.8 ± 6.4 months (4–104 months) |
28.7 ± 10.5 months (7–173 months) |
p = 0.69 |
| ALSFRS-R score (mean ± SD) | – | 40 ± 4 | 39 ± 6 | p = 0.58 |
| Disease progressiona (mean ± SE) | – | 0.53 ± 0.08 | 0.55 ± 0.11 | p = 0.93 |
a
Disease progression = (48 − ALSFRS score) / disease duration.