Table 1.

CT dose levels for the different scans. Abbreviations: AED: Gammex Advanced Electron Density phantom, ME: Modular evaluation phantom, CTDI_vol: CT dose index, NA: not applicable.

CT modality	Phantom	Phantom size	Dose level	CTDIvol (mGy)
PCCT	AED	Small	NA	CTDIvol,16cm = 42.4
PCCT	AED	Large	NA	CTDIvol,32cm = 20.7
DECT	AED	Small	Low	CTDIvol,16cm = 39.3
DECT	AED	Large	Low	CTDIvol,32cm = 20.0
DECT	AED	Large	High	CTDIvol,32cm = 35.0
SECT	AED	Small	Low	CTDIvol,16cm = 40.0
SECT	AED	Large	Low	CTDIvol,32cm = 19.7
SECT	AED	Large	High	CTDIvol,32cm = 35.1
PCCT	ME	All diameters	NA	CTDIvol,32cm = 10.2
DECT	ME	All diameters	Low	CTDIvol,32cm = 20.1
DECT	ME	30 cm, 40 cm	High	CTDIvol,32cm = 35.0
SECT	ME	All diameters	Low	CTDIvol,32cm = 19.7
SECT	ME	30 cm, 40 cm	High	CTDIvol,32cm = 35.1