Table 2 CT Scan characteristics of the two independent datasets used in our study.
| Â | Â | MGH | |
|---|---|---|---|
Dataset | NLST LDCT | LDCT | Cardiac CT |
Tube voltage (kVp) | 120/130/140 | 120/100 | 120 |
Milliampere-seconds (mAs) | 58.06 ± 20.59 | 33.80 ± 11.53 | 37.44 ± 10.06 |
Slice thickness (mm) | 2.3 ± 0.4 | 1.0/1.25 | 3.0 |
Slice overlap (mm) | 2.0 ± 0.4 | 0.8/1.0 | 1.5 |
In-plane resolution (mm) | 0.66 ± 0.07 | 0.83 ± 0.09 | 0.34 ± 0.04 |
Helical pitch | 1.4 ± 0.2 | 1.1 ± 0.2 | Axial mode |