Extrapyramidal signs in patients with probable Alzheimer disease.


OBJECTIVE To examine whether extrapyramidal signs (EPSs) were associated with more rapid progression of Alzheimer disease (AD). DESIGN Cross-sectional with longitudinal follow-up and the likelihood of arriving at 4 end points: Mini-Mental State Examination score of less than 9, Blessed Dementia Rating Scale score for activities of daily living of 15 or… (More)