Table 3.

Matrix of correlation between MRI biomarkers changes.

	ΔGM	ΔWMH	ΔMD
ΔGM	0.7	-	-
ΔWMH	0.195*a	12.5	-
ΔMD	0.172*a	0.578***a	1

Δ: difference between baseline and follow-up MRI data. ^aPearson’s correlation coefficient. *p < 0.05. ***p < 0.001.