Parameter Groups Groups Z/t P
VD(n=2099) CD(n=1286)
Rest pre-baseline
Average Mean Amplitude (µV) 4.77±3.98 7.64±5.57 -16.129 0.000
Phasic (flick) contractions
Average Peak Amplitude (µV) 33.4(22.37,44.67) 42.85(31.34,54.70) -14.883 0.000
Time Before Peak (s) 0.34(0.27,0.44) 0.35(0.27,0.45) -0.646 0.519
Time After Peak (s) 0.41(0.32,0.55) 0.42(0.32,0.56) -0.101 0.919
Tonic contractions
Average Mean Amplitude(µV) 21.90(14.14,30.79) 29.64(20.75,37.53) -15.230 0.000
Mean Amplitude Variability (%) 0.22(0.18,0.28) 0.20(0.16,0.26) -8.790 0.000
Rest post-baseline
Average Mean Amplitude (µV) 4.83±3.25 7.33±4.72 -16.752 0.000
abdominal muscle engagement
16.24 (7.18,32.24) 10.18 (4.41,21.35)
-10.840
0.000