Neurophysiological measurements from the right arm in patients with LEMS and controls
| Subject | Resting CMAP amplitudes (mV) | ||||
|---|---|---|---|---|---|
| ADM | APB | Anconeus | Biceps | Trapezius | |
| Patients: | |||||
| 1 | 3.64 | 5.6 | 0.67 | 1.24 | 4.3 |
| 2 | 3.28 | 6.5 | 0.68 | 3.14 | 3.5 |
| 3 | 8.6 | 17.1 | 0.86 | 5.36 | 8.6 |
| 4 | 4.2 | 2.6 | 0.22 | 1.98 | 2.2 |
| 5 | 1.37 | 2.64 | 0.32 | 3.54 | 4.1 |
| 6 | 2.12 | 2.84 | absent | 0.29 | 4.36 |
| 7 | 10.2 | 12.4 | 1.42 | 14 | 10 |
| 8 | 14.6 | 2.6 | 3.56 | 0.49 | 12.3 |
| 9 | 0.7 | 3.8 | 0.71 | 1.04 | 3.6 |
| 10 | 4.64 | 4.08 | 0.44 | 2.8 | 9.1 |
| Mean (SD) | 5.34 (4.43)*** | 6.02 (4.92)1-150 | 0.99 (1.03)*** | 3.39 (4.04)** | 6.21 (3.45)*** |
| Controls | 17.43 (4.41) | 17.36 (6.24) | 7.02 (4.47) | 9.58 (6.6) | 14.72 (4.42) |
| (10.6 to 23.5) | (4.5 to 26.6) | (1.8 to 15.6) | (1.97 to 24.6) | (7.1 to 21.8) | |
Control values are mean (SD) (range) (n=12).
↵1-150 p<0.001; **p=0.003; ***p<0.0001; significantly reducedv controls (Mann-WhitneyU test).
ADM = abductor digiti minimi; APB = abductor pollicis brevis.