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) |
|
|