Median nerve (motor) | Median nerve (sensory) | Sural nerve | |||||
---|---|---|---|---|---|---|---|
DML (ms) | Amplitude (mV) | MCV (m/s) | Amplitude (μV) | SCV (m/s) | Amplitude (μV) | SCV (m/s) | |
PMP22 duplication (n=20) | 10.2 | 3.8 | 21.8 | 1.3 | 20.9 | 0.6 | 22.9 |
MPZ mutation (n=3) | |||||||
CMT1B (n=2) | 6.9 | 4 | 14.6 | 0.0 | NA | 0.0 | NA |
CMT2J (n=1) | 3.7 | 11.3 | 46.4 | 9.7 | 49.4 | 6 | 51.9 |
NEFL mutation (n=4) | |||||||
CMT1F (n=2) | 8.0 | 2.4 | 24.2 | 0.0 | NA | 0.0 | NA |
CMT2E (n=2) | 5.7 | 9.8 | 50.4 | 6.8 | 43.5 | 1.3 | 54.9 |
EGR2 mutation (n=1) | 6 | 4.7 | 23.2 | 2.1 | 26.8 | NE | NA |
ARHGEF10 mutation (n=1) | 4.7 | 5.6 | 41.7 | 14.7 | 40.2 | 6.5 | 48.8 |
Data are given as means.
CMT, Charcot-Marie-Tooth disease; DML, distal motor latency; MCV, motor conduction velocity; NE, not evoked; NA, not applicable; SCV, sensory conduction velocity.