Table 5 Overview of CT scanner and scanning parameters.
From: Assessment of image quality and impact of deep learning-based software in non-contrast head CT scans
Centre | ||||
|---|---|---|---|---|
Site I | Site II | Site III | ||
CT scanner | Manufacturer | Siemens | Siemens | Siemens |
Model | SOMATOM Force | SOMATOM Definition Flash | SOMATOM Emotion 6 | |
Slices | 192 | 128 | 6 | |
Sources | dual | dual | single | |
Mode | spiral | spiral | sequential | |
Technical parameters | Reconstructed slice thickness (mm) | 5 | 5 | 4 |
Single collimation width (mm) | 0.6 | 0.6 | 2 | |
Total collimation width (mm) | 19.2 | 38.4 | 12 | |
Pitch factor | 0.7 | 0.6 | – | |
Mode | dual energy | single energy | single energy | |
kVp (A)/ kVp (B) | 90/150 | 120 | 130 | |
Reference mAs (A)/ reference mAs (B) | 300/300 | 273 | – | |
