Table 2. Neuropsychological performance from baseline (T1) and retest (T2) between genetic groups.

Measure	Variable	Mean T1	Mean T2	Δ	p value
ACE	Total ε3ε3	94.67 ± 3.67	93.70 ± 4.88	-.97 ± 5.33	0.06 (t = 1.903)
	Total ε3ε4	92.96 ± 3.82	94.37 ± 2.31	1.41 ± 3.35
	Memory ε3ε3	24.70 ± 1.92	24.97 ± 1.43	.27 ± 2.13	0.03 (t = 2.120)
	Memory ε3ε4	23.70 ± 1.66	25.00 ± 1.07	1.26 ± 1.75
	Visuospatial ε3ε3	14.93 ± 1.05	14.20 ± 1.32	-.73 ± 1.34	0.60 (t = 0.523)
	Visuospatial ε3ε4	14.85 ± 1.21	14.15 ± .94	-.70 ± .99
ROCF	Copy 3ε3	33.23 ± 2.77	32.75 ± 2.84	-.38 ± 2.91	0.88 (t = 0.145)
	Copy ε3ε4	32.28 ± 2.62	32.15 ± 2.57	-.18 ± 2.87
	Recall ε3ε3	20.51 ± 6.32	21.83 ± 5.34	1.06 ± 4.73	0.13 (t = 1.516)
	Recall ε3ε4	18.15 ± 6.11	21.50 ± 5.02	2.60 ± 7.68
CCI	Episodic ε3ε3	19.28 ± 6.46	18.40 ± 6.29	.39 ± 4.12	0.38 (t = -0.87)
	Episodic ε3ε4	21.48 ± 6.76	22.36 ± 6.44	-.96 ± 5.42
	EF ε3ε3	11.47 ± 4.53	10.45 ± 3.77	.64 ± 3.12	0.02 (t = -2.244)
	EF ε3ε4	11.56 ± 3.75	12.75 ± 4.37	-1.22 + 2.53

ACE = The Addenbrooke’s cognitive examination; ROCF = Rey-Osterrieth complex figure test; CCI = Cognitive change index; EF; Executive function; T1 = Baseline; T2 = retest; Δ change/difference = T2 value—T1 value; p value = significant change between genetic groups.