Table 2.
Baseline comparisons between ALS patients, mimics and healthy controls
| Healthy versus ALS |
Mimic versus ALS |
|||||||
|---|---|---|---|---|---|---|---|---|
| ALS Patients |
Mimics* | Healthy controls |
ANOVA p value |
Post-hoc t-test |
AUC from ROC analysis |
Post-hoc t-test |
AUC from ROC analysis |
|
|
Mean 50 kHz phase (degrees) |
10.9±3.3 |
12.0±3.0 |
14.4±3.0 |
<0.001 |
<0.001 |
0.785 |
0.253 (NS) |
0.601 |
|
Mean 100 kHz phase (degrees) |
13.1±3.1 |
13.9±2.8 |
16.2±2.9 |
<0.001 |
<0.001 |
0.772 |
0.405 (NS) |
0.582 |
|
Ratio of Mean 50/200 kHz phase |
0.76±0.1 |
0.81±0.1 |
0.87±0.1 |
<0.001 |
<0.001 |
0.780 |
0.079 (NS) |
0.619 |
*
Mimics included: multiple sclerosis (N = 8), hereditary spastic paraparesis (N = 4), multifocal motor neuropathy (N = 4), autoimmune motor neuropathy (N = 2), cervical/lumbosacral radiculopathies (N = 4), mononeuropathy (N = 1), and Charcot-Marie Tooth (N = 7).