Table 1 CT acquisition protocol parameters
Scanner | Rotation time (s) | Collimation | Table feed (mm/s) | Slice thickness (mm) | Slice interval (mm) | Duration (s) |
|---|---|---|---|---|---|---|
4 slice | 0.5 | 4 × 1 mm | 25 | 1.25 | 1 | 25-30 |
16 slice | 0.5 | 16 × 0.625 mm | 27.5 | 0.625 | 0.625 | 25-30 |
64 slice | 0.5 | 64 ×0.625 mm | 80 | 0.625 | 0.625 | <15 |