Table 1. Clinical features for the 26 amyotrophic lateral sclerosis patients.
Patient | Age | Sex | Onset site | Duration (months) | ALSFRS-R | MRC Sum Score | SI |
1 | 32 | M | BULBAR | 4 | 43 | 84 | 2.1 |
2 | 57 | M | BULBAR | 3 | 44 | 90 | 10 |
3 | 52 | F | BULBAR | 48 | 36 | 84 | 8.5 |
4 | 64 | F | BULBAR | 10 | 44 | 90 | 4.9 |
5 | 58 | M | BULBAR | 5 | 43 | 90 | 7.4 |
6 | 58 | M | BULBAR | 15 | 44 | 90 | 9.5 |
7 | 48 | F | BULBAR | 21 | 42 | 90 | 13 |
8 | 64 | M | LIMB | 7 | 47 | 87 | 5 |
9 | 69 | M | LIMB | 8 | 42 | 56 | 0 |
10 | 57 | F | LIMB | 9 | 45 | 83 | 6.4 |
11 | 64 | M | LIMB | 12 | 41 | 79 | 3.3 |
12 | 60 | M | LIMB | 6 | 42 | 82 | 1.7 |
13 | 62 | M | LIMB | 5 | 46 | 88 | 3.9 |
14 | 51 | M | LIMB | 20 | 33 | 65 | 0.1 |
15 | 42 | M | LIMB | 17 | 41 | 74 | 0 |
16 | 48 | M | LIMB | 5 | 42 | 80 | 9.8 |
17 | 56 | F | LIMB | 16 | 34 | 74 | 0.2 |
18 | 44 | M | LIMB | 3 | 46 | 86 | 0.9 |
19 | 58 | F | LIMB | 30 | 31 | 37 | 11.8 |
20 | 68 | M | LIMB | 10 | 48 | 88 | 6.3 |
21 | 69 | F | LIMB | 8 | 43 | 86 | 1.1 |
22 | 66 | M | LIMB | 9 | 47 | 80 | 2.8 |
23 | 69 | F | LIMB | 14 | 47 | 81 | 0 |
24 | 69 | F | LIMB | 8 | 46 | 79 | 7.9 |
25 | 73 | M | LIMB | 24 | 44 | 81 | 0 |
26 | 65 | M | LIMB | 17 | 41 | 71 | 5.3 |
Mean | 58.6 | 9.5 | 4.4 | ||||
SEM | 1.9 | 0.8 | |||||
Median | 43 | 83 | |||||
IQR | 6–17 | 41–46 | 79–88 |
All patients were graded using the amyotrophic lateral sclerosis functional rating scale revised (ALSFRS-R). Muscle strength was assessed using the Medical Research Council (MRC) score. The split hand index (SI) was calculated in all patients.