TABLE 5.

Pearson correlations among neurocognitive scores

	MMSE	Digit Span	Object Span	Symbol Span	Stroop Congruent	Stroop Incongruent	Stroop Control	TOWRE Words	TOWRE Nonwords	Raven’s
MMSE (raw score)	1	0.41*	0.25	−0.10	−0.03	−0.27	−0.11	0.33	0.48**	0.37*
Digit span (items correct)		1	0.65**	0.29	0.06	−0.10	−0.06	0.05	0.53**	0.30
Object span (items correct)			1	0.28	−0.10	−0.21	−0.09	−0.21	0.34	0.11
Symbol span (items correct)				1	−0.32	−0.24	−0.35	−0.06	0.18	0.13
Stroop congruent (ms)					1	0.63**	0.92**	0.15	−0.04	−0.33
Stroop incongruent (ms)						1	0.62**	−0.01	−0.27	−0.35
Stroop control (ms)							1	−0.04	−0.20	−0.33
TOWRE words (% correct)								1	0.53**	−0.06
TOWRE nonwords (% correct)									1	0.21
Raven’s (items correct)										1

^*p < 0.05.

^**p < 0.01.

MMSE indicates Mini-Mental State Examination; ms, millisecond; TOWRE, Test of Word Reading Efficiency.