Utility of AD8 for Cognitive Impairment in a Chinese Physical Examination Population: A Preliminary Study

Table 3

Characteristic of participants suspected dementia.

	Total ( = 260)
Mean AD8 score	3.3 ± 1.7
Mean age (y)	82.8 ± 8.5
Disease constitution
AD/MCI	65, 25%
PDD/VaD	14, 5.4%
Undiagnosed dementia	181, 69.6%

Defined as AD8 total score ≥2.