. Author manuscript; available in PMC: 2023 Aug 9.

Published in final edited form as: Phys Med Biol. 2022 May 26;67(11):10.1088/1361-6560/ac6ebc. doi: 10.1088/1361-6560/ac6ebc

Table 4.

Values of relative electron densities ( $ρ_{e}$ ) and effective atomic numbers ( $Z_{e f f}$ ) from reference and Syngo.Via for the CIRS adult male (M701), adult female (M702), and 5-year-old child (M705) phantoms.

	Reference		Syngo.Via

	$ρ_{e}$	$Z_{e f f}$	$ρ_{e}$			$Z_{e f f}$
	$ρ_{e}$	$Z_{e f f}$	M701	M702	M705	M701	M702	M705
Lung	0.200	7.332	0.207 ± 0.019	0.208 ± 0.018	0.216 ± 0.015	-	-	-
Breast	0.976	6.769	-	0.965 ± 0.022	-	-	7.282 ± 0.687	-
Soft Tissue	1.028	7.187	1.031 ± 0.029	1.031 ± 0.025	1.025 ± 0.014	7.110 ± 1.044	7.165 ± 0.859	7.342 ± 0.360
Spinal Cord	1.027	7.426	1.062 ± 0.031	1.060 ± 0.023	1.046 ± 0.013	6.691 ± 1.590	6.921 ± 1.139	7.537 ± 0.428
Brain	1.039	7.438	1.053 ± 0.011	1.047 ± 0.010	1.046 ± 0.008	7.408 ± 0.315	7.420 ± 0.303	7.433 ± 0.219
Bone (M701/M702)	1.495	11.634	1.437 ± 0.050	1.443 ± 0.042	-	11.741 ± 0.742	11.651 ± 0.654	-
Bone (M705)	1.436	11.481	-	-	1.387 ± 0.028	-	-	11.475 ± 0.284