TABLE 1

Mean ± SD of LACs of Different Tissue Classes of CTAC, MLAA, and MRAC Attenuation Maps Calculated over All Clinical Studies

Method	Lung	Fat	Soft tissue	Bone
CTAC	0.025 ± 0.009	0.087 ± 0.009	0.098 ± 0.008	0.118 ± 0.012
MLAA	0.027 ± 0.008	0.086 ± 0.010	0.097 ± 0.006	0.104 ± 0.012
MRAC	0.022 ± 0.001	0.086 ± 0.004	0.097 ± 0.001	0.095 ± 0.005