Table 2 –
Characteristics of study sample
| Characteristic | Value |
|---|---|
| Unique patients | 110 (100) |
| Patients with CT only | 30 (27) |
| Patients with MRI only | 34 (31) |
| Patients with both CT and MRI | 46 (42) |
| Agea (y), mean ± SD | 11.3 ± 4.6 |
| Interval between imaging examinationsb (y), mean ± SD | 0.75 ± 1.05 |
| Sex | |
| Male | 45 (41) |
| Female | 65 (59) |
Unless otherwise indicated, values reported as number of patients, with percentage in parentheses
a
In patients who had both CT and MRI examinations included in analysis, age was calculated at the time of the earlier of the two examinations.
b
Calculated among the 46 patients for whom both a CT examination and an MRI examination were included in the independent multireader review