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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Alzheimers Dement. 2012;8(2):105–113. doi: 10.1016/j.jalz.2011.05.2416

Table 2.

Cross-sectional Correlations Between the Fornix, Posterior Cingulate, Hippocampal/ICV Ratio, and Memory Z-score

Total Hippocampal Volume/ICV* Memory Z-score*
corr p-value corr p-value
Fornix
 Fractional Anisotropy (FA) 0.438 0.041 0.441 0.051
 Mean Diffusivity (MD) −0.281 0.205 −0.464 0.039
 Axial Diffusivity (DA) −0.209 0.350 −0.448 0.048
 Radial Diffusivity (DR) −0.212 0.344 −0.458 0.043
Posterior Cingulate
 Fractional Anisotropy (FA) 0.360 0.100 −0.120 0.615
 Mean Diffusivity (MD) −0.088 0.697 0.009 0.969
 Axial Diffusivity (DA) 0.200 0.371 −0.267 0.255
 Radial Diffusivity (DR) −0.324 0.141 0.105 0.659
Hippocampal Volume/ICV 0.182 0.444

ICV = intracranial volume

*

Controlling for age (imaging) and age and education (memory Z-score)