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Table 3 Beta values for predictors of neuropsychological test scores, with model F and R 2 values using RSI and DTI metrics

From: Sensitivity of restriction spectrum imaging to memory and neuropathology in Alzheimer’s disease

  Regressor Beta F value* R 2
DRS Arcuate ND
Hippocampus IF
0.64
–0.31
16.01 0.62
LMI Entorhinal IF
Arcuate FA
–0.53
0.27
6.64 0.64
LMD Entorhinal IF
Arcuate FA
–0.61
0.23
8.74 0.69
CVLT- SFR Entorhinal IF
Arcuate ND
–0.45
0.34
11.47 0.75
CVLT- LFR Entorhinal IF
Arcuate ND
–0.58
0.28
16.63 0.81
CERAD - DR Entorhinal IF
IFOF FA
Fornix FA
–0.49
0.33
0.25
16.44 0.82
  1. Values corrected for age, sex, and education
  2. *All regression models significant at p < 0.001
  3. CERAD-DR Consortium to Establish a Registry for Alzheimer’s Disease delayed recall, CVLT-LFR California Verbal Learning Test long delay free recall, CVLT-SFR California Verbal Learning Test short delay free recall, DRS Dementia Rating Scale, DTI diffusion tensor imaging, FA fractional anisotropy, IF isotropic free water diffusion, IFOF inferior fronto-occipital fasciculus, LMI Logical Memory immediate, LMD Logical Memory delayed, ND neurite density, RSI restriction spectrum imaging