Table 6.
Electrodiagnosis results of two groups.
| Control (n = 50) | PD (n = 50) | P-value | |
|---|---|---|---|
| Peroneal nerve | |||
| Motor NCV (AFH), m/s | 47.5 ± 3.7 | 41.2 ± 4.6 | 0.037 |
| Motor NCV (FP), m/s | 48.1 ± 5.2 | 42.7 ± 7.3 | 0.015 |
| M-wave AMP (A), mV | 5.1 ± 1.8 | 4.7 ± 1.5 | 0.582 |
| M-wave AMP (FH), mV | 4.7 ± 1.5 | 4.6 ± 1.2 | 0.621 |
| M-wave AMP (PF), mV | 4.8 ± 1.3 | 4.9 ± 1.4 | 0.513 |
| F-wave latency (A), ms | 50.7 ± 3.1 (n = 47) | 51.0 ± 2.3 (n = 43) | 0.872 |
| Tibial nerve | |||
| Motor NCV, m/s | 42.6 ± 4.1 | 39.7 ± 3.2 | 0.019 |
| M-wave AMP (A), mV | 6.5 ± 2.2 | 6.4 ± 1.7 | 0.742 |
| M-wave AMP (PF), mV | 5.8 ± 2.4 | 5.6 ± 2.5 | 0.305 |
| F-wave latency (A), ms | 51.7 ± 2.6 (n = 48) | 53.2 ± 3.1 (n = 44) | 0.227 |
| Sural nerve | |||
| Sensory NCV, m/s | 53.2 ± 3.1 (n = 47) | 48.9 ± 5.6 (n = 33) | 0.011 |
| Latency to onset, ms | 3.2 ± 0.2 (n = 47) | 3.5 ± 0.3 (n = 33) | 0.013 |
| SNAP AMP, μV | 3.8 ± 2.2 (n = 47) | 3.7 ± 1.7 (n = 33) | 0.372 |
Data are mean ± SD values.
NCV, nerve conduction velocity; A, ankle; AFH, ankle fibular head; FP, fibular head–popliteal fossa; FH, fibular head; PF, popliteal fossa; AMP, amplitude; SNAP, Sensory Nerve Action Potential; PD, Parkinson's disease.