. 2022 Mar 12;32(4):428–437. doi: 10.1016/j.zemedi.2022.01.005

Table 3.

Measured ( ${(ρ_{e}^{*} / Z)}_{s y n g o . v i a}$ ) and calculated (DEQCT-I) Z_eff and ρ_eff of the spongiosa region of the European spine phantom (ESP).

Spongiosa region	syngo.CT DE Rho/Z tool		DEQCT-I		Relative error (%)
	Z_eff	ρ_eff (g/cm³)	Z_eff	ρ_eff (g/cm³)	Z_eff	ρ_eff
Vertebra 1	8.5	1.05	8.7	1.05	2.7	0
Vertebra 2	9.2	1.08	9.5	1.1	3.6	1.9
Vertebra 3	10.1	1.16	10.5	1.18	4.4	1.7