Table 1 Demographic data of the participants, and pre-operative SEMG parameters in cases versus control
Cases (N = 40) | Control (N = 40) | Student t test (t) | p-value | |
|---|---|---|---|---|
Age (years) | 13.7 ± 3.0 10.0–19.0 | 14.1 ± 3.2 11.0–20.0 | 0.57 | 0.568 |
Sex: Male Female | 18 (45.0) 22 (55.0) | 16 (40.0) 24 (60.0) | Chi square test = 0.21 | 0.651 |
Amplitude (uV) | 244.27 ± 56.4 150–339 | 793.9 ± 131.7 560–980 | 24.29 | < 0.001** |
Firing frequency (Hz) | 29.8 ± 2.6 27–35 | 22.3 ± 1.4 20–25 | 16.06 | < 0.001** |