The Impact of Combining a Low-Tube Voltage Acquisition with Iterative Reconstruction on Total Iodine Dose in Coronary CT Angiography

Table 4

Median subjective image quality parameters.

	Overall image quality (1–5)	Vessel sharpness (1–5)	Image noise (1–5)	Streak artifacts (1–4)
SoC protocol	4.0	4.0	4.0	4.0
Protocol A	4.0	3.5	3.5
Protocol B	4.0	4.0	4.0	3.0

indicates significant difference compared to reference protocol ().