Table 3. Comparison of neuropsychological performance between groups.

	8 GRN+/A152T+	9 GRN+/A152T-	p
MMSE	23.6 ± 4.4	24.5 ± 3.9	0.66
Digit span forward	4.7 ± 0.7	4.6 ± 0.7	0.66
Digit span backward	2.4 ± 1.3	3.1 ± 0.7	0.15
TMT-A	100.8 ± 50.6	76.8 ± 26.3	0.34
TMT-B	200 ± 36.7	180.2 ± 73.9	0.60
Semantic verbal fluency	9.9 ± 4.0	11.3 ± 4.5	0.50
Phonetic verbal fluency	3.7 ± 3.1	7.3 ± 6.2	0.23
Reasoning	5.1 ± 3.5	4.3 ± 2.1	0.54
Verbal comprehension	5.6 ± 0.7	5.9 ± 0.3	0.35
Repetition	9.9 ± 0.3	9.9 ± 0.3	0.93
Unilateral praxis	8.6 ± 3.2	9.8 ± 0.4	0.34
Bilateral praxis	6.1 ± 2.3	6.4 ± 1.7	0.75
CERAD Word List 1	2.2 ± 1.4	2.7 ± 0.9	0.43
CERAD Word List 2	3.6 ± 1.5	4.1 ± 1.1	0.45
CERAD Word List 3	4.7 ± 2.0	5.2 ± 2.1	0.65
CERAD Word List Recall	3.2 ± 1.5	2.4± 2.0	0.34
CERAD Word List Recognition	17.5 ± 1.9	16.3 ± 3.6	0.38
CERAD Constructional Praxis	9.1 ± 3.2	9.3 ± 1.8	0.89
MMSE score change at 1 year	-5.2 ± 3.8	-3.7 ± 2.8	0.45

CERAD: Consortium to Establish a Registry for Alzheimer’s Disease; MMSE: Mini-Mental State Examination; TMT: Trail Making Test.