Table 5.

MAE_rCT and ${\sigma }_{rCT}$ values for the spread of CT numbers in the same MRI bin for the overall patient volume and for each segmented region of each LOOCV cycle and their average values for all six cycles.

	MAErCT (HU)			${\sigma }_{rCT}$ (HU)
	Bony Region	Soft Region	Mixed Region	Bony Region	Soft Region	Mixed Region
Cycle1	95.3	23.4	138.0	128.4	40.2	187.5
Cycle2	97.6	23.7	141.3	132.5	40.3	190.6
Cycle3	97.6	23.7	133.3	131.9	41.4	183.6
Cycle4	96.8	24.1	133.3	129.9	41.0	182.7
Cycle5	98.8	23.6	138.1	134.4	42.5	189.3
Cycle6	100.3	23.9	135.1	135.3	41.2	186.8
Average	97.7 ± 1.7	23.7 ± 0.2	136.5 ± 3.2	132.1 ± 2.6	41.1 ± 0.8	186.7 ± 3.1