A quick test of cognitive speed (AQT): usefulness in dementia evaluations in primary care.

Objective: To validate A Quick Test of Cognitive Speed (AQT) as an instrument in diagnostic dementia evaluations against final clinical diagnosis and compare AQT with the Mini-Mental State Examination (MMSE) and Clock Drawing Test (CDT) in primary care.

Design: Primary health care cohort survey.

Setting: Four primary health care centres and a geriatric memory clinic in Sweden.