Uptake in Spheric ROI* Inside Left Ventricle, as Measured in NCAT Phantom and Patients
| Uptake in ROI (%) | |||
|---|---|---|---|
| Patients | |||
| Source of attenuation data | NCAT phantom, mean | Mean | Range |
| CE data, nonprocessed | 166 | 146 | 131–159 |
| CE data, cylinder-threshold correction | 101 | 104 | 102–107 |
| CE data, global-threshold correction | 99 | 102 | 100–103 |
↵* Of 25-mm diameter.
Images obtained with unenhanced CE attenuation data were used as reference value (100%).