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Reducing false positive diagnoses in mild cognitive impairment: The importance of comprehensive neuropsychological assessment

Authors

Klekociuk, S. Z., Summers, J. J., Vickers, J. C., Summers, M. J.

Journal

European Journal of Neurology, Volume: 21, No.: 10, Pages.: 1330-1336

Year of Publication

2014

Abstract

Background and purpose Longitudinal studies of mild cognitive impairment (MCI) report that a sizeable proportion of MCI cases revert to normal levels of functioning over time. The rate of recovery from MCI indicates that existing MCI diagnostic criteria result in an unacceptably high rate of false positive diagnoses and lack adequate sensitivity and specificity. Methods The aim of the present study was to identify a set of neuropsychological measures able to differentiate between true positive cases of MCI from those who were unimpaired at 11 months’ follow‐up. Results A discriminant function analysis identified that a combination of measures of complex sustained attention, semantic memory, working memory, episodic memory and selective attention correctly classified outcome in more than 80% of cases. The rate of false positive diagnoses (5.93%) was considerably lower than is evident in previously published MCI studies. Conclusions The results of the present study indicate that the rate of false positive MCI diagnoses can be significantly reduced through the use of sensitive and specific neuropsychological measures of memory and non‐memo ry functions. (PsycINFO Database Record (c) 2014 APA, all rights reserved). (journal abstract)

Bibtex Citation

@article{Klekociuk_2014, doi = {10.1111/ene.12488}, url = {http://dx.doi.org/10.1111/ene.12488}, year = 2014, month = {jun}, publisher = {Wiley-Blackwell}, volume = {21}, number = {10}, pages = {1330--e83}, author = {S. Z. Klekociuk and J. J. Summers and J. C. Vickers and M. J. Summers}, title = {Reducing false positive diagnoses in mild cognitive impairment: the importance of comprehensive neuropsychological assessment}, journal = {Eur J Neurol} }

Keywords

cognitive impairment, dementia, diagnosis, measures, mild cognitive impairment, neuropsychological, neuropsychological assessment, neuropsychology, recovery, stability

Countries of Study

Australia

Types of Dementia

Mild Cognitive Impairment (MCI)

Types of Study

Cohort Study

Type of Outcomes

Cognition

Type of Interventions

Diagnostic Target Identification

Diagnostic Targets

Other