Research Article

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

Table 2

Visual score for evaluation of subjective image quality.

Overall image quality (OIQ)Excellent (5)Above average (4)Acceptable (3)Suboptimal (images still interpretable) (2)Very poor (nondiagnostic) (1)
Vessel sharpness (VS)Excellent (5)Above average (4)Acceptable (3)Suboptimal (images still interpretable) (2)Very poor (nondiagnostic) (1)
Image noise (IN)Minimal noise (5)Less than average (4)Average (3)Higher than average (2)Unacceptably high (1)
Streak artifacts (SA)ā€‰No artifacts (4)Mild artifacts (3)Moderate artifacts but images still interpretable (2)Severe artifacts hindering the image interpretation (1)