Summary of Baseline Absolute Percentage Difference for SUV Parameters by Scan Time
| SUVmean | SUVmax | SUVpeak | ||||
|---|---|---|---|---|---|---|
| Acquisition parameter (n) | Mean | SD | Mean | SD | Mean | SD |
| QA dataset (n = 45) | ||||||
| Scan time relative to 18F-FDG dose | ||||||
| 50–70 min* (n = 24) | 11.0 | 10.0 | 10.9 | 7.2 | 11.3 | 8.2 |
| <50 or >70 min† (n = 21) | 10.0 | 8.3 | 13.8 | 11.5 | 13.4 | 9.3 |
| Between-scan relative difference | ||||||
| ≤15 min (n = 34) | 11.1 | 9.2 | 12.7 | 9.9 | 12.6 | 8.8 |
| >15 min (n = 11) | 8.7 | 9.4 | 10.9 | 8.2 | 11.4 | |
| Full dataset (n = 61) | ||||||
| Scan time relative to 18F-FDG dose | ||||||
| 50–70 min* (n = 30) | 14.0 | 18.1 | 12.5 | 12.9 | 15.8 | 20.7 |
| <50 or >70 min† (n = 31) | 13.9 | 13.4 | 18.1 | 18.6 | 17.4 | 15.7 |
| Between-scan relative difference | ||||||
| ≤15 min (n = 43) | 13.0 | 15.6 | 13.1 | 13.0 | 15.6 | 18.1 |
| >15 min (n = 18) | 16.4 | 16.5 | 20.7 | 21.4 | 19.0 | 18.8 |