Main Characteristics of the 4 Camera Groups Involved in Clinical Study
| Characteristic | Discovery NM 530c | DSPECT | IQ⋅SPECT | Conventional SPECT |
| Number of subjects | 12 | 12 | 12 | 12 |
| Age (y) | 53 ± 10 | 56 ± 10 | 53 ± 8 | 57 ± 7 |
| Body weight (kg) | 80 ± 10 | 80 ± 7 | 84 ± 13 | 83 ± 13 |
| Study protocol | 1-d stress–rest | 1-d stress–rest | 1-d stress–rest | 1-d rest–stress |
| Tracer | Sestamibi | Sestamibi | Sestamibi | Sestamibi |
| Activity injected at exercise (MBq)* | 132 ± 22 | 168 ± 62 | 318 ± 34 | 1,073 ± 177 |
| Maximal heart rate at exercise (%†) | 93 ± 8 | 95 ± 4 | 91 ± 7 | 91 ± 4 |
| Recording time (min) | 10 | 6 | 4.5 | 16 |
| Patient position | Prone | Semireclining | Prone | Supine |
| Total myocardial counts (×103) | 447 ± 96 | 625 ± 198 | 214 ± 60 | 1,019 ± 190 |