Blossom C.M. Stephan
Occurrence of medical co-morbidity in mild cognitive impairment: Implications for generalisation of MCI research
Stephan, Blossom C.M.; Brayne, Carol; Savva, George M.; Matthews, Fiona E.
Authors
Carol Brayne
George M. Savva
Professor Fiona Matthews F.Matthews@hull.ac.uk
Pro-Vice-Chancellor Research and Enterprise
Abstract
Background: diagnosis of mild cognitive impairment (MCI) typically excludes individuals with medical co-morbidity. Interest in MCI screening raises the questions of what are the best criteria to identify a representative sample and what factors are associated with MCI progression to dementia. Objectives: to compare the pattern of disease co-morbidity across different cognitive groups and to examine the role of health co-morbidity as a risk factor for dementia progression from MCI. Methods: individuals from the MRC Cognitive Function and Ageing Study were classified as having no cognitive impairment (NCI), MCI, other cognitive impairment no dementia (OCIND) or dementia. At 2 years dementia status was assessed. Findings: over 50% of individuals in each group reported one or more medical condition. The pattern of disease prevalence was similar in the NCI, MCI and OCIND groups. Anaemia was the only health factor associated with an increased risk of dementia progression from MCI. Conclusion: classification of MCI using medical exclusions would exclude the majority of the population from a MCI diagnosis. This has implications for treatment decisions and clinical trial recruitment. This could not only make recruitment more difficult but also limit the generalisability of trial results. Medical co-morbidity does not help to distinguish progressive from non-progressive MCI. © The Author 2011. Published by Oxford University Press on behalf of the British Geriatrics Society.
Citation
Stephan, B. C., Brayne, C., Savva, G. M., & Matthews, F. E. (2011). Occurrence of medical co-morbidity in mild cognitive impairment: Implications for generalisation of MCI research. Age and ageing, 40(4), 501-507. https://doi.org/10.1093/ageing/afr057
Journal Article Type | Article |
---|---|
Publication Date | Jul 1, 2011 |
Deposit Date | Dec 8, 2023 |
Journal | Age and Ageing |
Print ISSN | 0002-0729 |
Electronic ISSN | 1468-2834 |
Publisher | Oxford University Press |
Volume | 40 |
Issue | 4 |
Pages | 501-507 |
DOI | https://doi.org/10.1093/ageing/afr057 |
Public URL | https://hull-repository.worktribe.com/output/4454876 |
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