Table 6. Mean subjective Image Quality Scores by Dose, Reconstruction, Location and Contrast administration.
| IV contrast | Non contrast | Overall cohort | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Level Transverse |
RD- FBP | RD- ASIR |
RD- PICCS |
SD- FBP |
RD- FBP | RD- ASIR |
RD- PICCS |
SD- FBP |
RD- FBP |
RD- ASIR |
RD- PICCS |
SD- FBP |
| Main portal vein |
1.9 | 2.2 | 3 | 3.6 | 1.0 | 1.2 | 2.4 | 2.1 | 1.5 | 1.7 | 2.7 | 3.4 |
| Sacroiliac joints |
2.2 | 2.5 | 3.1 | 3.7 | 1.5 | 1.7 | 2.6 | 3.3 | 1.8 | 2.1 | 2.8 | 3.5 |
| Coronal | ||||||||||||
| Kidney | ||||||||||||
| 2.5 | 3.2 | 3.8 | 1.4 | 1.6 | 2.6 | 3.4 | 1.8 | 2.1 | 2.9 | 3.6 | ||
| Main portal vein |
1.9 | 2.2 | 3.0 | 3.7 | 1.0 | 1.3 | 2.3 | 3.2 | 1.5 | 1.8 | 2.7 | 3.4 |
| Total | 2.0 | 2.3 | 3.1 | 3.7 | 1.2 | 1.4 | 2.5 | 3.2 | 1.7 | 1.9 | 2.8 | 3.5 |
RD=Reduced dose, FBP=Filtered back projection, ASIR=Adaptive statistical iterative reconstruction, PICCS=Prior image constrained compressed sensing, SD=Standard dose