Table 1. Characteristics of the study participants.

		AD patients (N = 936)	Controls (N = 776)	p-value
Age (years)	(mean±SD)	76.5±7.6	73.7±7.2
Gender	Female	72.9%	60.6%	<0.0001
	Male	27.1%	39.4%
APOE4 status	APOE4+	43.5%	13.1%	<0.0001
	APOE4-	56.5%	86.9%
Female		(N = 682)	(N = 470)
Age (years)	(mean±SD)	77.1±7.7	73.8±7.2
APOE4 status	APOE4+	43.4%	11.1%	<0.0001
	APOE4-	56.6%	88.9%
Male		(N = 254)	(N = 306)
Age (years)	(mean±SD)	75.1±7.2	73.4±7.1
APOE4 status	APOE4+	43.7%	16.3%	<0.0001
	APOE4-	56.3%	83.7%