Global and Regional DVRs
| DVR | Whole sample | Lower tertile | Middle tertile | Upper tertile |
| Number of participants | 55 | 18 | 19 | 18 |
| Mean cDVR | 1.17 ± 0.26* | 0.93 ± 0.02 | 1.08 ± 0.09* | 1.49 ± 0.16* |
| Orbitofrontal cortex | 1.09 ± 0.27 | 0.86 ± 0.04 | 0.1 ± 0.14 | 1.40 ± 0.19 |
| Prefrontal cortex | 1.11 ± 0.29 | 0.86 ± 0.04 | 1.02 ± 0.13 | 1.46 ± 0.19 |
| Superior frontal gyrus | 1.20 ± 0.34 | 0.90 ± 0.04 | 1.08 ± 0.14 | 1.61 ± 0.22 |
| Parietal lobe | 1.14 ± 0.24 | 0.92 ± 0.05 | 1.07 ± 0.08 | 1.42 ± 0.19 |
| Medial temporal cortex | 1.01 ± 0.09 | 0.95 ± 0.07 | 1.01 ± 0.06 | 1.06 ± 0.11 |
| Lateral temporal cortex | 1.13 ± 0.24 | 0.93 ± 0.03 | 1.05 ± 0.12 | 1.41 ± 0.19 |
| Occipital cortex | 1.08 ± 0.13 | 0.99 ± 0.06 | 1.06 ± 0.07 | 1.19 ± 0.15 |
| Anterior cingulate gyrus | 1.27 ± 0.34 | 0.97 ± 0.07 | 1.17 ± 0.18 | 1.67 ± 0.23 |
| Posterior cingulate gyrus | 1.32 ± 0.35 | 1.02 ± 0.06 | 1.19 ± 0.1 | 1.76 ± 0.23 |
↵* Greater than DVR positivity cutoff of 1.062 for cDVR, indicating more than minimal Aβ.
All DVRs are significantly higher in upper tertile than lower tertile (P < 0.005).