Table 1.
Test-retest repeatability and reliability of total distribution volume (VT) of [11C]PS13 derived with the two-tissue compartment model from 120 min duration scans (n = 10)
| Region | VT (mL/cm3) | ||
|---|---|---|---|
| aTRV (%) | TRV (%) | ICC | |
| Frontal cortex | 6.6 | 3.4 | 0.84 |
| Hippocampus | 8.5 | 5.7 | 0.78 |
| Temporal cortex | 6.6 | 3.7 | 0.82 |
| Parietal cortex | 8.5 | 5.6 | 0.74 |
| Occipital cortex | 7.1 | 4.6 | 0.83 |
| Basal ganglia | 7.0 | 3.6 | 0.86 |
| Thalamus | 6.3 | 2.6 | 0.87 |
| Cerebellum | 6.0 | 2.9 | 0.86 |
| Brainstem | 7.6 | 3.4 | 0.81 |
| Whole brain | 6.4 | 3.8 | 0.84 |
VT, total distribution volume; aTRV, absolute test-retest variability; TRV, test-retest variability; ICC, intraclass correlation coefficient