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Tumor-to-background ratio (TBR)
| FDG (n = 15) | FAPI (n = 15) | PWilcoxon | ||
|---|---|---|---|---|
| SUVmax tumor/SUVmean liver | ||||
| Mean (SD) | 3.41 (2.29) | 9.99 (7.77) | < 0.001 | |
| Median [Min, Max] | 2.94 [0.461, 9.92] | 8.70 [0.832, 37.7] | ||
| SUVmax tumor/SUVmean bloodpool | ||||
| Mean (SD) | 4.28 (2.79) | 7.48 (4.52) | < 0.001 | |
| Median [Min, Max] | 3.73 [0.576, 10.8] | 7.10 [0.884, 16.5] | ||
TBR (SUVmax tumor/SUVmean liver and SUVmax tumor/SUVmean bloodpool) for FDG PET/CT and FAPI PET/CT
