Differences in Cognitive Profile between TIA, Stroke and Elderly Memory Research Subjects: A Comparison of the MMSE and MoCA
- 29 June 2012
- journal article
- research article
- Published by S. Karger AG in Cerebrovascular Diseases
- Vol. 34 (1), 48-54
- https://doi.org/10.1159/000338905
Abstract
Background: The Montreal Cognitive Assessment (MoCA) appears more sensitive to mild cognitive impairment (MCI) than the Mini-Mental State Examination (MMSE): over 50% of TIA and stroke patients with an MMSE score of ≥27 (‘normal’ cognitive function) at ≥6 months after index event, score Methods: The MMSE and MoCA were done on consecutive patients with TIA or stroke in a population-based study (Oxford Vascular Study) 6 months or more after the index event and on consecutive subjects enrolled in a memory research cohort (the Oxford Project to Investigate Memory and Ageing). Patients with moderate-to-severe cognitive impairment (MMSE score of Results: Of 207 stroke patients (mean age ± SD: 72 ± 11.5 years, 54% male), 156 TIA patients (mean age 71 ± 12.1 years, 53% male) and 107 memory research subjects (mean age 76 ± 6.6 years, 46% male), stroke patients had the lowest mean ± SD cognitive scores (MMSE score of 27.7 ± 1.84 and MoCA score of 22.9 ± 3.6), whereas TIA (MMSE score of 28.4 ± 1.7 and MoCA score of 24.9 ± 3.3) and memory subject scores (MMSE score of 28.5 ± 1.7 and MoCA score of 25.5 ± 3.0) were more similar. Rates of MoCA score of Conclusions: The MoCA demonstrated more differences in cognitive profile between TIA, stroke and memory research subjects without major cognitive impairment than the MMSE. The MoCA showed between-group differences even in those with normal MMSE and would thus appear to be a useful brief tool to assess cognition in those with MCI, particularly where the ceiling effect of the MMSE is problematic.Keywords
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