Table 3.

Pairwise correlations among the outcome measures (trend/significance p-values: ^$p < 0.1; ^*p < 0.05; ^**p < 0.01; ^***p < 0.001).

	8	9	7	6	5	4	3	2
	Phonemic fluency	Semantic fluency	d2 test	Digit-symbol coding	Raven's matrices	Forward digit span	Rey–Osterrieth complex figure	Doors test
1	0.43***	0.31*	0.22$	0.37**	0.14ns	0.1ns	0.18ns	0.17ns
2	0.1ns	0.05ns	0.28*	0.16ns	0.33**	0.01ns	0.38**
3	0.16ns	0.05ns	0.35**	0.44***	0.35**	0.2ns
4	0.27*	0.43***	0.4**	0.41**	0.46***
5	0.19ns	0.3*	0.31*	0.55***
6	0.47***	0.31*	0.61***
7	0.26*	0.22$
9	0.48***

Squares featuring tests meant to measure the same cognitive domain are shaded.

1, Delayed recall of the Signoret BEM-144′s 12 words; 2, Doors test; 3, Delayed recall of Rey–Osterrieth complex figure; 4, Forward digit span; 5, Raven's progressive matrices; 6, Digit-symbol coding; 7, d2 test; 8, Phonemic fluency; 9, Semantic fluency.