Table 2.

Summary of the results of the virtual fluoroscopy model

Method		Patient 1	Patient 2	Patient 3	Patient 4
Proposed method	Error (mm)	0.87 ± 1.2	0.56 ± 0.42	− 0.35 ± 0.70	− 0.01 ± 0.22
	Correlation	0.998	0.999	0.999	0.999
	Jaccard Index	0.950 (0.907–0.978)	0.982 (0.975–0.990)	0.949 (0.872–0.986)	0.988 (0.954–1.000)
Template matching (soft)	Error (mm)	− 13 ± 9.0	55 ± 30	− 12 ± 11	6.0 ± 9.1
	Correlation	0.910	− 0.800	0.703	0.790
Template matching (soft + bone)	Error (mm)	− 18 ± 19	− 6.1 ± 12	− 0.69 ± 13	− 13 ± 14
	Correlation	0.090	− 0.969	− 0.078	− 0.339

Error (mm) was converted according to the relationship 1.5 mm = 1 pixel