Table 1.
Summary of patient demographic information and CT scan acquisition parameters for the patient database.
| Patient data | Std. Dev. | |
|---|---|---|
| Number of patients (male:female) | 27 (21:6) | … |
| Median patient age (range) [yr] | 49 (18–68) | 14 |
| Contrast enhanced scan pairs | 24 | … |
| Number of scan pairs acquired with different scanners | ||
| 12 | … | |
| Slice thickness/spacing [mm] | 1 | 0 |
| kVp | 120 | 0 |
| Mean exposure (range) [mAs] | 235 (144–351) | 40 |
| Mean exposure difference between paired scans (range) [mAs] | ||
| 33 (0–156) | 45 | |
| Mean pixel spacing (range) [mm] | 0.67 (0.58–0.87) | 0.06 |
| Mean pixel spacing difference between paired scans (range) [mm] | ||
| 0.04 (0–0.18) | 0.04 | |
| Median time between paired scans (range) [days] | ||
| 126 (7–719) | 179 |