Table 1.
The parameters of scanning condition between the two groups
| Parameters | Group A (n = 20) |
Group B (n = 20) |
|---|---|---|
| Scanning parameters | ||
| Tube current (noise index) | smart mA (NI = 10) | smart mA (NI = 10) |
| Rotation rate (s·r−1) | 0.6 | 0.6 |
| Detector configuration (no. of sections × mm) |
64 × 0.625 | 64 × 0.625 |
| Pitch | 1.375:1 | 1.375:1 |
| Scanning thickness (mm) | 5 | 5 |
| Injection parameters | ||
| Total injection volume | 600 mgI kg−1 | 300 mgI kg−1 |
| Injection rate (ml·s−1) | 3.5 ml s−1 | 3.5 ml s−1 |
| Contrast agent(g) | contrast agent (g) = contrast agent dose (mgI/kg)×weight (kg) ×0.001 | |
| Reconstruction parameters | ||
| Thickness (mm) | 5/0.625 | 5/0.625 |
| Reconstruction algorithm | 40% ASiR 70 KeV | 40% ASiR 40–70 KeV with an interval of 5 |