Table 3. Correlations between cingulum diffusion measures and verbal fluency score (IST) before (conventional DTI) and after FW-correction.

DTI
		IST 15s		IST 30s		IST 60s
		β	R2	β	R2	β	R2
Model unadjusted for total WMH	FA	0.015	0.001	0.047	0.002	0.067	0.004
	MD	-0.421*	0.17	-0.335*	0.12	-0.174	0.07
	AD	-0.186	0.036	-0.135	0.018	-0.060	0.004
	RD	-0.114	0.013	-0.128	0.016	-0.129	0.017
FW-corrected
		IST 15s		IST 30s		IST 60s
		β	R2	β	R2	β	R2
Model unadjusted for total WMH	FAt	0.047	0.003	0.098	0.01	0.095	0.009
	MDt	-0.443*	0.19	-0.361*	0.13	-0.226	0.08
	ADt	-0.198	0.04	-0.134	0.018	-0.061	0.004
	RDt	-0.293*	0.11	-0.248*	0.13	-0.199	0.039
	FW	-0.353*	0.12	-0.241*	0.10	-0.196	0.061

β, standardized coefficient regression adjusted for age and cingulum white matter volume

R², R square value

* p < 0.05 FDR corrected