TABLE 2.
Associations between cortical and subcortical β-amyloid deposition and depressive and anxiety symptoms in participants without cognitive impairment and with mild cognitive impairmenta
| N | Dependent variable | Independent variable | β | SE | p |
|---|---|---|---|---|---|
| Whole sample | |||||
| 1,015 | BDI-II score | Cortical PiB-PET | 0.57 | 0.13 | <0.001 |
| 1,015 | BDI-II score | Amygdala PiB-PET | 0.80 | 0.26 | 0.002 |
| 1,015 | BDI-II score | Striatum PiB-PET | 0.69 | 0.18 | <0.001 |
| 1,015 | BDI-II score | Thalamus PiB-PET | 0.61 | 0.24 | 0.011 |
| 1,017 | BAI score | Cortical PiB-PET | 0.34 | 0.13 | 0.011 |
| 1,017 | BAI score | Amygdala PiB-PET | 0.48 | 0.26 | 0.063 |
| 1,017 | BAI score | Striatum PiB-PET | 0.56 | 0.18 | 0.002 |
| 1,017 | BAI score | Thalamus PiB-PET | 0.65 | 0.24 | 0.008 |
| Cognitively unimpaired subsample | |||||
| 836 | BDI-II score | Cortical PiB-PET | 0.38 | 0.15 | 0.013 |
| 836 | BDI-II score | Amygdala PiB-PET | 0.48 | 0.30 | 0.111 |
| 836 | BDI-II score | Striatum PiB-PET | 0.43 | 0.21 | 0.039 |
| 836 | BDI-II score | Thalamus PiB-PET | 0.26 | 0.28 | 0.355 |
| 838 | BAI score | Cortical PiB-PET | 0.23 | 0.15 | 0.124 |
| 838 | BAI score | Amygdala PiB-PET | 0.24 | 0.30 | 0.425 |
| 838 | BAI score | Striatum PiB-PET | 0.39 | 0.20 | 0.058 |
| 838 | BAI score | Thalamus PiB-PET | 0.48 | 0.28 | 0.086 |
| Mild cognitive impairment subsample | |||||
| 179 | BDI-II score | Cortical PiB-PET | 0.86 | 0.27 | 0.002 |
| 179 | BDI-II score | Amygdala PiB-PET | 1.19 | 0.49 | 0.016 |
| 179 | BDI-II score | Striatum PiB-PET | 1.09 | 0.36 | 0.003 |
| 179 | BDI-II score | Thalamus PiB-PET | 1.17 | 0.49 | 0.017 |
| 179 | BAI score | Cortical PiB-PET | 0.30 | 0.30 | 0.325 |
| 179 | BAI score | Amygdala PiB-PET | 0.52 | 0.53 | 0.336 |
| 179 | BAI score | Striatum PiB-PET | 0.58 | 0.39 | 0.146 |
| 179 | BAI score | Thalamus PiB-PET | 0.52 | 0.53 | 0.329 |
The dependent and independent variables are presumed variables. BAI=Beck Anxiety Inventory, BDI-II=Beck Depression Inventory-II, PiB-PET=Pittsburgh Compound B positron emission tomography. β=regression coefficient, SE=standard error.