Table 2.
The mean electrophysiological parameters of CIDP patients.
| Nerve conduction | Electrophysiological parameters | Patients n = 48 |
|
|---|---|---|---|
| Motor | Median (wrist-elbow) | Latency (ms) | 6.20 ± 3.94 |
| Amplitude (mV) | 5.28 ± 3.75 | ||
| CV (m/s) | 37.50 ± 18.26 | ||
| Ulnar (wrist-elbow) | Latency (ms) | 3.60 ± 1.40 | |
| Amplitude (mV) | 7.04 ± 3.20 | ||
| CV (m/s) | 46.48 ± 11.35 | ||
| Peroneal (ankle head of fibula) | Latency (ms) | 6.16 ± 1.88 | |
| Amplitude (mV) | 2.01 ± 1.67 | ||
| CV (m/s) | 37.19 ± 6.81 | ||
| Tibial (ankle popliteal fossa) | Latency (ms) | 6.26 ± 1.38 | |
| Amplitude (mV) | 3.19 ± 3.13 | ||
| CV (m/s) | 35.97 ± 7.74 | ||
|
| |||
| Sensory | Median (digit II) | Latency (ms) | 3.64 ± 1.03 |
| Amplitude (μV) | 11.01 ± 7.25 | ||
| CV (m/s) | 42.08 ± 7.69 | ||
| Ulnar (digit V) | Latency (ms) | 3.13 ± 0.94 | |
| Amplitude (μV) | 10.36 ± 6.69 | ||
| CV (m/s) | 42.96 ± 8.89 | ||
| Sural | Latency (ms) | 3.82 ± 0.67 | |
| Amplitude (μV) | 5.10 ± 3.92 | ||
| CV (m/s) | 43.47 ± 9.85 | ||
|
| |||
| F-wave studies | Median | F-latency (ms) | 34.34 ± 6.95 |
| Ulnar | 35.01 ± 7.74 | ||
| Peroneal | 67.17 ± 8.25 | ||
| Tibial | 67.62 ± 8.05 | ||