Table 1.
Technique factors and parameters set with a variable gantry speed. All images were acquired with 125 kVp x-ray tube setting
| Gantry speed (°/s) | Field of view (cm) | Matrix size | Pixel size (mm) | Slice thickness (mm) | Tube voltage (kVp) | mAs | Projections | Δt (min) |
|---|---|---|---|---|---|---|---|---|
| 1.0 | 46.5 | 512 × 512 | 0.7 | 2.0 | 125 | 5716 | 5400 | 6.0 |
| 2.0 | 46.5 | 512 × 512 | 0.7 | 2.0 | 125 | 2856 | 2700 | 3.0 |
| 3.0 | 46.5 | 512 × 512 | 0.7 | 2.0 | 125 | 1903 | 1800 | 2.0 |
| 4.0 | 46.5 | 512 × 512 | 0.7 | 2.0 | 125 | 1427 | 1350 | 1.5 |
| 5.0 | 46.5 | 512 × 512 | 0.7 | 2.0 | 125 | 1140 | 1080 | 1.2 |
| 6.0 | 46.5 | 512 × 512 | 0.7 | 2.0 | 125 | 949 | 900 | 1.0 |