Table 2. Systematic (Σ) and Random (σ) Errors in the Translational and Rotational Dimensions.

	Systematic error (Σ)		Random error (σ)
	Mean	SD	Mean	SD
Translational
Lateral (x-axis) [mm]	-0.19	0.72	1.01	0.31
Longitudinal (z-axis) [mm]	0.48	1.57	1.43	0.46
Vertical (y-axis) [mm]	-2.47	0.97	1.06	0.54
Rotational
Pitch (x-axis) [°]	0.18	0.72	0.76	0.28
Roll (z-axis) [°]	0.12	0.87	0.97	0.24
Yaw (y-axis) [°]	-0.16	0.83	0.92	0.31