(b).

	Rotation (degrees)			Translation (mm)			MTPM
	X  (Transverse axis)	Y  (Longitudinal axis)	Z  (Sagittal axis)	X  (Transverse axis)	Y  (Longitudinal axis)	Z  (Sagittal axis)
RSA-CT (n = 46)
95% confidence limit (2.01 × SD)	0.90	1.29	0.62	0.36	0.33	0.44	0.32
Mean	−0.14	0.05	0.05	−0.01	−0.08	−0.04	0.30
Min	−1.23	−1.58	−0.73	−0.71	−0.35	−0.47	0.10
Max	1.00	1.38	0.66	0.32	0.66	0.41	0.78
RSA1-RSA2 (double examination) (n = 46)
95% confidence limit (2.01 × SD)	0.88	0.83	0.37	0.26	0.10	0.22	0.24
Mean	0.02	−0.09	−0.04	−0.04	0.00	−0.01	0.14
Min	−0.92	−1.44	−0.80	−0.77	−0.16	−0.24	0.02
Max	2.23	0.90	0.42	0.18	0.17	0.32	0.78