Table 3.

The angle errors in various dimensions between the AR group and FH group

	AR Group	FH Group	P Value	Accuracy promotion
Three-Dimensional Space (°)	1.94 (1.30, 2.93)	5.06 (3.61, 9.22)	< 0.0001****	61.6%
Coronal Plane, xy (°)	2.22 (0.73, 3.79)	1.89 (0.64, 7.12)	0.784	-
Horizontal Plane, xz (°)	1.48 (0.69, 3.76)	4.51 (2.04, 9.44)	0.0095**	67.2%
Sagittal Plane, yz (°)	1.24 (0.44, 2.72)	3.87 (2.37, 9.17)	0.0005***	68.0%

Note: Data are represented by the median (P25, P75).

Abbreviation: AR: Augmented Reality; FH: Free Hand