TABLE 4.

Paired t‐test was performed by two position setup methods in G1 and G2 groups

Group	Item	LR (mm)	SI (mm)	AP (mm)	Rotation (°)	Pitch (°)	Roll (°)
G1	T	−0.88	−0.44	−2.42	−1.58	−1.92	−1.26
	P	0.445	0.687	0.094	0.213	0.151	0.296
G2	T	−1.31	−5.80	−4.98	−2.99	−3.22	−2.29
	P	0.218	0.000	0.000	0.012	0.008	0.043

Abbreviations: AP, anterior and posterior direction; LR, left and right direction; Pitch, pitch angle; Roll, roll angle; Rotation, deflection angle; SI, superior and inferior direction.