Test–Retest Characteristics of Tracer DV Computed with Logan Model with Actual 18F-MPPF Data of 10 Subjects
Actual Logan + DV Region | Test (mean ± SD) | Retest (mean ± SD) | Change in mean (%) | Typical error as CV (%) | ICC | Paired t test P |
---|---|---|---|---|---|---|
Hippocampus | 2.38 ± 0.23 | 2.45 ± 0.24 | 3.01 | 7.11 | 0.44 | 0.344 |
Amygdala | 2.02 ± 0.32 | 2.17 ± 0.30 | 8.05 | 12.85 | 0.42 | 0.143 |
Enthorinal cortex | 2.10 ± 0.24 | 2.23 ± 0.22 | 6.35 | 6.53 | 0.67 | 0.052 |
Parhippocampal gyrus | 1.78 ± 0.14 | 1.84 ± 0.16 | 3.55 | 5.00 | 0.60 | 0.143 |
Anterior cingulum | 1.68 ± 0.22 | 1.77 ± 0.20 | 5.12 | 6.68 | 0.72 | 0.119 |
Posterior cingulum | 1.58 ± 0.17 | 1.61 ± 0.16 | 1.72 | 3.45 | 0.88 | 0.312 |
Insula | 1.97 ± 0.16 | 2.04 ± 0.18 | −3.38 | 5.04 | 0.66 | 0.147 |
Temporal pole | 1.71 ± 0.14 | 1.77 ± 0.14 | −3.42 | 4.20 | 0.75 | 0.103 |
Temporal cortex | 1.79 ± 0.21 | 1.85 ± 0.18 | −3.25 | 4.69 | 0.80 | 0.162 |
Raphe | 0.56 ± 0.07 | 0.59 ± 0.10 | 5.71 | 9.33 | 0.63 | 0.193 |
Mean limbic area | 1.76 ± 0.19 | 1.83 ± 0.19 | 2.34 | 6.48 | 0.66 | |
Temporal neocortex | 1.81 ± 0.18 | 1.86 ± 0.17 | −2.59 | 4.97 | 0.71 | 0.273 |
Lateral occipitotemporal gyrus | 1.68 ± 0.16 | 1.69 ± 0.13 | −0.45 | 6.12 | 0.47 | 0.905 |
Frontal gyrus | 1.54 ± 0.19 | 1.60 ± 0.17 | −3.64 | 5.26 | 0.80 | 0.143 |
Prefrontal cortex | 1.48 ± 0.19 | 1.52 ± 0.16 | −3.19 | 5.03 | 0.82 | 0.193 |
Inferior parietal cortex | 1.58 ± 0.18 | 1.62 ± 0.15 | −2.47 | 4.75 | 0.78 | 0.296 |
Superior parietal cortex | 1.55 ± 0.17 | 1.58 ± 0.13 | −2.07 | 4.24 | 0.78 | 0.333 |
Occipital cortex | 1.55 ± 0.19 | 1.60 ± 0.17 | −3.52 | 4.78 | 0.83 | 0.147 |
Occipital pole | 1.12 ± 0.19 | 1.19 ± 0.27 | −4.37 | 10.47 | 0.79 | 0.255 |
Occipital gyrus | 1.49 ± 0.13 | 1.53 ± 0.16 | −1.94 | 5.27 | 0.71 | 0.399 |
Mean other area | 1.53 ± 0.17 | 1.58 ± 0.17 | −2.69 | 5.65 | 0.74 |