Reliability of Addenbrooke's Cognitive Examination III in differentiating between dementia, mild cognitive impairment and older adults who have not reported cognitive problems

C. Potts (), J. Richardson, R. B. Bond, R. K. Price, M. D. Mulvenna, P. Zvolsky, M. Harvey, C. F. Hughes and F. Duffy
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C. Potts: Ulster University
J. Richardson: Northern Health and Social Care Trust
R. B. Bond: Ulster University
R. K. Price: Ulster University
M. D. Mulvenna: Ulster University
P. Zvolsky: Northern Health and Social Care Trust
M. Harvey: Northern Health and Social Care Trust
C. F. Hughes: Ulster University
F. Duffy: Northern Health and Social Care Trust

European Journal of Ageing, 2022, vol. 19, issue 3, No 14, 495-507

Abstract: Abstract Diagnosing dementia can be challenging for clinicians, given the array of factors that contribute to changes in cognitive function. The Addenbrooke’s Cognitive Examination III (ACE-III) is commonly used in dementia assessments, covering the domains of attention, memory, fluency, visuospatial and language. This study aims to (1) assess the reliability of ACE-III to differentiate between dementia, mild cognitive impairment (MCI) and controls and (2) establish whether the ACE-III is useful for diagnosing dementia subtypes. Client records from the Northern Health and Social Care Trust (NHSCT) Memory Service (n = 2,331, 2013–2019) were used in the analysis including people diagnosed with Alzheimer’s disease (n = 637), vascular dementia (n = 252), mixed dementia (n = 490), MCI (n = 920) and controls (n = 32). There were significant differences in total ACE-III and subdomain scores between people with dementia, MCI and controls (p 73%) and thus the differences are not clinically relevant. The results suggest that ACE-III is a useful tool for discriminating between dementia, MCI and controls, but it is not reliable for discriminating between dementia subtypes. Nonetheless, the ACE-III is still a reliable tool for clinicians that can assist in making a dementia diagnosis in combination with other factors at assessment.

Keywords: Cognitive screening test; Cognitive assessment; Alzheimer’s disease; Vascular dementia; MCI; NHSCT Memory Service (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s10433-021-00652-4

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