Table 2.

Magnitudes of the 3D registration error by the individual observers

Patient	A	B	C	D	E	F
[Magnitude of registration error]	cm	cm	cm	cm	cm	cm
Observer 1	0.42 ± 0.19	0.23 ± 0.05	0.23 ± 0.10	0.36 ± 0.13	0.30 ± 0.10	0.46 ± 0.06
Observer 2	0.74 ± 0.16	0.30 ± 0.20	0.24 ± 0.11	0.40 ± 0.14	0.66 ± 0.38	0.66 ± 0.13
Observer 3	0.70 ± 0.21	0.97 ± 0.05	0.42 ± 0.21	0.34 ± 0.07	0.64 ± 0.23	0.86 ± 0.19
Observer 4	0.65 ± 0.30	0.90 ± 0.10	0.53 ± 0.25	0.52 ± 0.19	0.29 ± 0.19	0.98 ± 0.08