Radioactivity Concentrations in SPECT Images Under 2 Conditions at Participating Institutions
| Radioactivity concentrations in SPECT images (kBq/mL) | ||
|---|---|---|
| Institution | Standardized conditions | Clinical conditions |
| A | 99.65 ± 0.24 | 102.29 ± 0.55 |
| B | 99.32 ± 0.40 | 99.90 ± 0.25 |
| C | 101.33 ± 0.36 | 103.77 ± 0.51 |
| D | 102.96 ± 0.37 | 104.09 ± 0.24 |
| E | 108.35 ± 0.36 | 108.49 ± 0.11 |
| F | 95.71 ± 0.60 | 96.78 ± 0.64 |