Table 3.

Between system comparison of CoM position during pushing.

CoM Position	Component	Mean Difference (Bias) (m)	±SD	95% LoA	R2
Unfiltered	Horizontal	0.072	1.549	−0.637–0.786	0.08
Unfiltered	Vertical	0.037	0.016	0.005–0.069	0.71
Low-Pass	Horizontal	0.372	0.391	−0.334–1.077	0.05
Low-Pass	Vertical	0.034	0.014	0.005–0.063	0.77
Kalman	Horizontal	0.371	0.370	−0.332–1.074	0.05
Kalman	Vertical	0.047	0.023	0.001–0.092	0.41