Nerve conduction study in patients with an axonal form of CMT associated with a mutation in the MPZ
| Family | Motor NCV | Sensory NCV | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Median nerve | Tibal nerve | Median nerve | Sural nerve | ||||||||
| MCV (m/s) | CMAP (mV) | MCV (m/s) | CMAP (mV) | SCV (m/s) | SNAP (μV) | SCV (m/s) | SNAP (μV) | ||||
| 1-II-8 | 44 | 11 | 35 | 1 | 49 | 11 | 53 | 4 | |||
| 2-II-2 | 45 | 6 | 40 | 2.3 | ND | ND | 50 | 2.1 | |||
| 3-III-3 | 39 | ND | 44 | ND | 49 | ND | Not evoked | ||||
| 4-III-6 | 46 | ND | 32 | ND | 47 | ND | ND | ND | |||
| 5-II-3 | 52 | 10 | Not evoked | 59 | 8.3 | Not evoked | |||||
| 6-II-2 | 44 | 6.5 | Not evoked | 37 | 2.1 | 41 | 5.7 | ||||
| 7-III-2 | 50 | 6.1 | 42 | 0.1 | ND | ND | ND | ND | |||
ND=not determined.