Table 2.
CMAP Amplitude, Duration and Area
| CMAP Amplitude (mV) | CMAP Duration (ms) | CMAP Area (mVms) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nerve | Level | LPN Affected Group | Control Group | P value | LPN Affected Group | Control Group | P value | LPN Affected Group | Control Group | P value |
| Sciatic | Proximal (Hip) | 1.60 ± 1.33 (n=9) | 5.56 ± 4.22 (n=8) | P=0.13 | 9.34 ± 3.52 (n=9) | 8.05 ± 2.65 (n=8) | P=0.63 | 2.54 ± 1.78 (n=9) | 8.61 ± 6.65 (n=8) | P=0.09 |
| Mid (Stifle) | 1.40 ± 0.89 (n=8) | 6.35 ± 3.61 (n=8) | P<0.05 | 8.50 ± 2.84 (n=8) | 7.49 ± 1.06 (n=8) | P=0.77 | 3.12 ± 2.76 (n=8) | 11.20 ± 7.43 (n=8) | P<0.05 | |
| Distal (Hock) | 2.05 ± 1.20 (n=9) | 10.99 ± 8.03 (n=8) | P<0.001 | 7.02 ± 2.32 (n=9) | 6.52 ± 0.72 (n=8) | P=0.96 | 3.20 ± 2.39 (n=9) | 14.20 ± 9.20 (n=8) | P<0.001 | |
| Ulnar | Proximal (Elbow) | 3.12 ± 1.35 (n=7) | 10.39 ± 7.79 (n=7) | P=0.24 | 8.17 ± 2.66 (n=7) | 7.00 ± 1.83 (n=7) | P=0.54 | 4.33 ± 2.37 (n=7) | 11.76 ± 8.86 (n=7) | P=0.26 |
| Distal (Carpus) | 4.3 7± 4.01 (n=9) | 17.00 ± 14.80 (n=8) | P=0.01 | 6.14 ± 2.02 (n=9) | 5.75 ± 2.14 (n=8) | P=0.91 | 5.01 ± 5.71 (n=9) | 17.36 ± 15.26 (n=8) | P<0.05 | |
LPN – late-onset peripheral neuropathy; CMAP - compound muscle action potential