Table 3.

Correlations between age and cognitive scores

Test	Mean ± SD	Correlation with age	p Value
EXIT*	2.8 ± 2.4	.48	0.001
Finger taps (DH)	44.4 ± 10.6	−.63	<0.001
Finger taps (NDH)	39.6 ± 9.3	−.59	<0.001
Grooved pegboard (DH)*	72.3 ± 16.8	.35	0.014
Grooved pegboard (NDH)*	82.7 ± 20.0	.32	0.029
Letter fluency	14.7 ± 4.3	−.22	0.13
Letter number span	16.2 ± 4.0	−.42	0.003
Letter cancellation*	63.2 ± 24.8	.43	0.002
TrailsB/TrailsA*	2.5 ± 1.0	.34	0.019
Stroop ratio*	2.2 ± 0.5	.44	0.002
RBANS
List learning	30.4 ± 4.4	−.44	0.002
Story memory	19.7 ± 3.1	−.29	0.045
Figure copy	17.6 ± 2.7	−.19	0.19
Line orientation	17.6 ± 1.9	−.50	<0.001
Picture naming	9.5 ± 0.9	−.24	0.10
Category fluency	23.0 ± 5.1	−.40	0.005
Digit span	12.2 ± 2.6	−.42	0.003
Coding	50.3 ± 12.9	−.59	<0.001
List recall	7.2 ± 2.2	−.39	0.007
Story recall	10.3 ± 1.6	−.38	0.009
Figure recall	12.5 ± 5.3	−.50	<0.001

Key: DH, dominant hand; NDH, nondominant hand; EXIT, executive interview; RBANS, repeatable battery for the assessment of neuropsychological status.

^*Tests for which higher scores indicate poorer performance.