Table 2 Tolerance ranges calculated for all the monitored QC parameters for the Quantum GX micro-CT (PerkinElmer, Inc. Waltham, MA).
QC parameter | Tolerance range (BL ± tolerance width) |
|---|---|
Water (grey level) | 2000 ± 17 |
Air (grey level) | 449 ± 33 |
Noise (grey level) | 124 ± 2 |
Uniformity (grey level) | − 41 ± 22 |
Contrast Resolution (%) | − 9%: − 8 ± 3 |
− 6%: − 3 ± 1 | |
− 3%: 1 ± 1 | |
MTF (%) for spatial resolution | 3.3 lp/mm: 49 ± 19 |
5 lp/mm: 42 ± 17 | |
10 lp/mm: 24 ± 14 |