Nerve conduction study results and outcome
| Variable | Complete remission (n = 10) | Others (n = 28) | p Value | |||
|---|---|---|---|---|---|---|
| Values are mean (SEM). | ||||||
| CMAP, compound muscle action potential; SNAP, sensory nerve action potential. | ||||||
| Motor | ||||||
| Median | ||||||
| Distal latency (ms) | 9.9 (1.2) | 6.8 (0.8) | 0.04 | |||
| Conduction velocity (m/s) | 40.6 (2.5) | 34.5 (2.4) | 0.09 | |||
| CMAP amplitude (mV) | 5.0 (1.3) | 6.7 (0.9) | NS | |||
| F wave latency (ms) | 39.9 (2.8) | 46.4 (3.2) | NS | |||
| Terminal latency index | 0.021 (0.003) | 0.042 (0.004) | <0.001 | |||
| Tibial | ||||||
| Distal latency (ms) | 10.3 (0.9) | 7.4 (0.8) | 0.052 | |||
| Conduction velocity (m/s) | 36.7 (2.3) | 33.8 (1.4) | NS | |||
| CMAP amplitude (mV) | 3.2 (0.6) | 6.2 (0.9) | 0.01 | |||
| F wave latency (ms) | 68.4 (4.4) | 70.0 (2.6) | NS | |||
| Terminal latency index | 0.017 (0.001) | 0.024 (0.002) | <0.001 | |||
| Sensory | ||||||
| Median | ||||||
| Conduction velocity (m/s) | 42.2 (2.2) | 47.9 (1.8) | NS | |||
| SNAP amplitude (μV) | 3.0 (1.1) | 11.8 (2.6) | 0.004 | |||
| Sural | ||||||
| Conduction velocity (m/s) | 43.7 (1.7) | 45.1 (0.1) | NS | |||
| SNAP amplitude (μV) | 7.6 (1.6) | 9.0 (1.8) | NS | |||