Number of Outliers When Determining Tumor Volume for All Scans (Test and Retest) for Different Image Characteristics and Radiotracers
| 18F-FDG | 18F-FLT | |||||||||||
| Sum of last 6 frames | Sum of last 3 frames | Sum of last 6 frames | Sum of last 3 frames | |||||||||
| Tumor delineation method | 6.5* | 8.3* | 10.2* | 6.5 | 8.3 | 10.2 | 6.5 | 8.3 | 10.2 | 6.5 | 8.3 | 10.2 |
| VOI50 | 12 | 14 | 15 | 8 | 13 | 14 | 7 | 4 | 5 | 7 | 5 | 4 |
| VOI70 | 0 | 2 | 3 | 0 | 0 | 2 | 0 | 0 | 0 | 1 | 0 | 0 |
| VOIA41 | 6 | 10 | 12 | 6 | 6 | 11 | 3 | 3 | 3 | 4 | 5 | 4 |
| VOIA50 | 2 | 3 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 2 | 0 | 0 |
| VOIA70 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 0 | 0 |
| VOISchaefer-A41 | 6 | 3 | 6 | 6 | 3 | 4 | 2 | 1 | 3 | 4 | 2 | 3 |
| VOISchaefer-A50 | 5 | 5 | 4 | 4 | 3 | 4 | 2 | 1 | 1 | 4 | 2 | 2 |
| VOIRTL | 0 | 3 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 |
| GradWT | 0 | 0 | 2 | 0 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 1 |
| SUV2.5 | 12 | 11 | 11 | 5 | 3 | 6 | 3 | 0 | 1 | 2 | 1 | 0 |
| Total detectable lesions | 60 | 60 | 60 | 60 | 60 | 60 | 35 | 33 | 32 | 36 | 34 | 31 |
* Image resolution (mm).