An Evaluation of the Benefits of Simultaneous Acquisition on PET/MR Coregistration in Head/Neck Imaging

Table 3

Evaluation results: registration accuracy scores expressed as mean ± standard deviation.

	PETMRo	PETMRregELX^RR	PETMRregELX^DR	PETMRregMRD^RR	PETMRregMRD^DR
Qualitative score	2.0 ± 0.0	0.70 ± 0.84	1.35 ± 0.70	0.76 ± 0.92	0.89 ± 0.80
Dice score	0.82 ± 0.07	0.36 ± 0.23	0.45 ± 0.24	0.37 ± 0.22	0.41 ± 0.23