Table 1.

Average age of controls and cases

	Average age (years)	MCI	DEM	AD
Controls (n = 41) (42–79)	60.3
Cases (n = 41) (45–87)	67.4	63.8	71.2	69.8

Abbreviations: AD, Alzheimer’s disease; DEM, undiagnosed dementia; MCI, mild cognitive impairment.