EHG	electrohysterogram
EMD	empirical mode decomposition
IMF	intrinsic mode functions
RMS	root mean square
MTKE	mean Teager–Kaiser energy
WLE	wavelet log energy
SE	Shannon entropy
KFD	Katz fractal dimension
HE	Hurst exponent
RF	random forest
DT	decision tree
SVM	support vector machine
Acc	accuracy
Sen	sensitivity
Spe	specificity
AUC	area under the curve