Table 4.

Number of points that reached significance for each feature type.

Feature name	Number of key points that reached significance
	P value <.05	P value <.005
R x_max	83	69
R y_max	56	45
Cov(X, Y)	97	87
Cov(X_abs, Y_abs)	13	12
Jitter	106	106
Jitter_PPQ5	106	106
Jitter_rap	106	90
Jitter_ddp	106	106
Total	673	621