Table 1. Demographics and neuropsychological assessments. Mean (SD).

	Controls(11M, 7F)	APP(5M, 5F)	PSEN1(10M, 8F)
Age/years	51.3 (12.8)	55.0* (4.8)	47.0*(7.8)
APOE status
3/3		5	11
3/4		4	5
MMSE/30	29.5† (0.8)	18.6† (4.5)	17.3† (6.0)
Dementia index		17.6 (16.4)	19.6 (14.7)
NART – verbal IQ
Dementia Index		25.6 (20.2)	27.5 (18.8)
NART – performance IQ
RMT – words/grade		1.67 (1.12)	1.88 (1.26)
RMT – faces/grade		2.00 (1.80)	2.06 (1.48)

NART, National Adult Reading Test; RMT, Recognition Memory Test.

^*PSEN1 < APP (p = 0.003).

^†Controls > AD groups (p ≤ 0.01).