Table 3.
Final multivariable regression models evaluating the unique neuroanatomic correlates of total immediate recall during learning trials within AD and lvPPA individuals (covarying for age, sex, and total intracranial volume).
| Adj. R2 | F | Total df | Std. β | Partial r | p-value | |
|---|---|---|---|---|---|---|
| Alzheimer’s Disease | ||||||
| Model | 0.20 | 4.0 | 85 | < 0.001 | ||
| Frontal | −0.17 | −0.11 | 0.34 | |||
| Left Medial Temporal | 0.16 | 0.13 | 0.25 | |||
| Left Temporal | 0.40 | 0.21 | 0.07 | |||
| Parietal | 0.16 | 0.12 | 0.31 | |||
| Logopenic variant PPA | ||||||
| Model | 0.14 | 1.6 | 19 | 0.22 | ||
| Left Temporal | 0.26 | 0.25 | 0.45 | |||
| Parietal | 0.02 | 0.02 | 0.94 | |||
| Semantic variant PPA | ||||||
| Model | 0.16 | 2.2 | 35 | 0.07 | ||
| Left Medial Temporal | 0.15 | 0.13 | 0.48 | |||
| Left Temporal | 0.48 | 0.36 | 0.05 | |||
Note. PPA = primary progressive aphasia.