Table 6 Motor unit loss according to the cutoff values of electrophysiological findings in different grades of CTS
Cutoff value | CTS severity | p-value | ||
|---|---|---|---|---|
Mild (n = 33) | Moderate (n = 44) | Severe (n = 36) | ||
Motor amplitude, mV | ||||
< 6.85 | 18 (54.55%) | 30 (68.18%) | 22 (61.11%) | 0.458 |
> 6.85 | 15 (45.45%) | 14 (31.82%) | 12 (33.33%) | |
Incremental MUNE | ||||
< 160.5 | 10 (30.3%) | 9 (20.45%) | 1 (2.78%) | 0.009 |
> 160.5 | 23 (69.7%) | 35 (79.55%) | 35 (97.2%) | |
aMPS MUNE | ||||
< 203 | 11 (33.3%) | 10 (22.73%) | 1 (2.78%) | 0.005 |
> 203 | 22 (66.67%) | 34 (77.27%) | 35 (97.2%) | |