Dosimetry Quantities, as Mean ± SD, from 4 Imaging Centers
| Imaging center | N | AA stress (MBq) | AA rest (MBq) | CTDIvol (mGy) | ED SPECT (mSv) | ED CT (mSv) | ED total (mSv) |
| C1 | 118 | 1,000 ± 83 | 964 ± 81 | 1.6 ± 0.0 | 11.5 ± 1.2 | 0.6 ± 0.2 | 12.1 ± 1.3 |
| C2 | 102 | 601 ± 136 | 605 ± 122 | 1.4 ± 0.2 | 7.0 ± 2.8 | 0.6 ± 0.2 | 7.6 ± 2.8 |
| C3 | 101 | 758 ± 134 | 750 ± 120 | 3.8 ± 0.0 | 8.2 ± 1.5 | 1.2 ± 0.2 | 9.4 ± 1.6 |
| C4 | 94 | 870 ± 90 | 872 ± 90 | 2.4 ± 1.1 | 10.4 ± 1.3 | 1.4 ± 1.0 | 11.8 ± 1.7 |
| P | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
N = number of patients.