Table 2.

Partial correlations between global RSI measures (adjusted for scanner) and (A) amyloid-β-42, (B) baseline cognitive function (adjusted for age, sex, education), or (C) annualized cognitive change (adjusted for age, sex, education, baseline score).

		Fiber ND	Gray matter IF	White matter IF
A.	Amyloid-β-42	0.43 *	−0.41 *	−0.45 **
B.	MMSE	0.69 ***	−0.51 **	−0.52 **
	DRS	0.65 ***	−0.55 **	−0.52 **
	Trails B-A	−0.34	0.25	0.41 *
	Verbal fluency	0.56 ***	−0.55 **	−0.43 *
	LM-Immediate	0.44 *	−0.46 **	−0.43 *
	LM-Delayed	0.47 **	−0.41 *	−0.36 *
	CVLT-Immediate	0.27	−0.32	−0.35
	CVLT-Delayed	0.36	−0.34	−0.40 *
	CERAD	0.64 **	−0.54 **	−0.49 **
C.	DRS	−0.01	−0.37	−0.18
	Trails B-A	−0.46 *	0.33	0.34
	Verbal fluency	0.43 *	0.06	−0.06
	LM-Immediate	0.18	−0.36	−0.31
	LM-Delayed	0.20	−0.43 *	−0.36
	CVLT-Immediate	0.36	0.04	−0.19
	CVLT-Delayed	0.02	0.12	0.03
	CERAD	−0.04	−0.05	−0.23

^*p<0.05

^**p<0.01

^***p<0.001

MMSE (Mini-Mental State Exam), DRS (Dementia Rating Scale), LM (Logical Memory), CVLT (California Verbal Learning Test), CERAD (Consortium to Establish a Registry for Alzheimer's Disease)