Table 3.

Results of the Spearman test for correlation between the performance in the CERAD-plus subtests (z-scores) and either the COSU or the total WMH volume. The value given is the Spearman correlation coefficient rho.

CERAD-plus [z-scores]	iDSS		NACC
	Total volume [ml]	COSU	Total volume [ml]	COSU
Animals	−.101	.072	−.222*	−.329**
Boston	−.123	.178	−.174	−.114
MMSE	−.183	−.045	−.054	−.250*
Learning word list	−.166	.033	N/A	N/A
Copy figures	−.069	−.032	N/A	N/A
Recall word list	−.093	−.040	N/A	N/A
Wordlist intrusions	.117	.255	N/A	N/A
Recognition word list	.223	.130	N/A	N/A
Recall figures	−.266	.057	N/A	N/A
TMT-A	.147	−.345*	−.040	−.261*
TMT-B	−.019	.171	−.021	−.335**
S-word list	−.061	.080	N/A	N/A

COSU confluency sum score, MMSE mini-mental state examination, N/A not available, TMT trail making test, WMH white matter hyperintensities

Statistical significance is indicated by an asterix

^*p-value ≤ 0.05;

^**p-value ≤ 0.01