Table 4. Descriptive statistics of angulation deviations of reference board alignment for 3dMD (N = 30, M = 5) and DI3D (N = 33, M = 5) respectively.

Angulation deviation for 3dMD			N = 30	M = 5
	SD/°	Median/°	Min/°	Max/°
Pitch	0.020234	0.004771	-0.039904	0.028356
Roll	0.045645	-0.000016	-0.075797	0.081623
Yaw	0.027211	0.000187	-0.062320	0.044343
Angulation deviation for DI3D			N = 33	M = 5
	SD/°	Median/°	Min/°	Max/°
Pitch	0.038850	-0.001923	-0.071546	0.09802
Roll	0.079088	0.007572	-0.195240	0.164692
Yaw	0.071816	0.002099	-0.131241	0.166327