Applying New Research Criteria for Diagnosis of Early Alzheimer's Disease: Sex and Intelligence Matter

Table 2

Values for episodic memory function (in % of maximum score): means (SD).

Immediate recall	Verbal		Visuospatial
	Low IQ	High IQ	Low IQ	High IQ
Male	44.7 (18.1)	55.6 (14.4)	52.2 (18.8)^$	65.0 (15.3)
Female	40.4 (21.9)	52.9 (24.6)	46.0 (15.5)	55.6 (17.1)
Long delayed recall	Verbal		Visuospatial
	Low IQ	High IQ	Low IQ	High IQ
Male	24.4 (18.9)	36.8 (21.7)	34.6 (30.4)	48.8 (27.5)
Female	19.2 (27.3)	30.8 (27.4)	10.3 (14.8)*	27.9 (26.2)^§

*: significant difference to high IQ females and low IQ males; ^§: significant difference to high IQ males; ^$: significant difference to high IQ males.