. Author manuscript; available in PMC: 2021 Jul 20.

Published in final edited form as: Int J Comput Assist Radiol Surg. 2012 Apr 27;7(5):647–665. doi: 10.1007/s11548-012-0682-9

Table 2.

Summary of TRE measurements

	Experiment	Description	TRE (mm)	p value
1	Pb glass	Without Pb glass	0.83 ± 0.25	0.5
		With Pb glass	0.87 ± 0.25
2	Tracker-to-target distance	Tracker-on-C setup	0.87 ± 0.25	<0.0001
		Conventional setup	1.92 ± 0.71
3	Rotating frame of reference	Bench setup	0.70 ± 0.32	0.11
		C-arm setup	0.86 ± 0.43