Baseline Cognitive Function, Recurrent Stroke, and Risk of Dementia in Patients With Stroke
2013
Background and Purpose—To determine the interrelationships between baseline Mini-Mental State Examination (MMSE) score and risk of overall dementia, post-recurrent stroke dementia, and dementia without recurrent stroke among patients with a history of stroke. Methods—Prospective cohort study among participants enrolled in the Perindopril Protection Against Recurrent Stroke Study (PROGRESS) for whom baseline MMSE score was available. Baseline MMSE score was divided into 4 categories: 30, 29–27, 26–24, and <24. Participants were followed for incident dementia and recurrent stroke. Logistic regression models were used to examine the association between MMSE score and dementia. Results—Of the 6080 participants included in this analysis, 2493 had an MMSE score of 30, 1768 had a score of 29–28, 1369 had a score of 26–24, and 450 had a score of <24. Average follow-up time was 3.8 years. There were 407 cases of dementia, 106 of which were preceded by a recurrent stroke. The risk of overall dementia increased with...
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