Table 1 Scanning parameters between 2 groups
Low-dose group | Standard-dose group | |
|---|---|---|
Tube voltage | 120 kV | 120 kV |
Tube current | 15 mA | 150 mA |
Thickness | 2 mm | 2 mm |
Collimation | 16 × 0.75 mm | 16 × 0.75 mm |
Pitch | 1.063 | 1.063 |
Rotation time | 0.5 s | 0.5 s |
Field of view | 350 mm | 350 mm |