The Persian Version of the Quick Mild Cognitive Impairment Screen (Q mci -Pr): Psychometric Properties among Middle-Aged and Older Iranian Adults

Mohammad Rezaei, Behnam Shariati, David William Molloy, Rónán O’Caoimh and Vahid Rashedi
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Mohammad Rezaei: Autism Spectrum Disorders Research Center, Hamadan University of Medical Sciences, Hamadan 6517838687, Iran
Behnam Shariati: Mental Health Research Center, Department of Psychiatry, School of Medicine, Iran University of Medical Sciences, Tehran 1449614535, Iran
David William Molloy: Department of Geriatric Medicine, Mercy University Hospital, T12 WE28 Cork, Ireland
Rónán O’Caoimh: Department of Geriatric Medicine, Mercy University Hospital, T12 WE28 Cork, Ireland
Vahid Rashedi: School of Behavioral Sciences and Mental Health (Tehran Institute of Psychiatry), Iran University of Medical Sciences, Tehran 1445613111, Iran

IJERPH, 2021, vol. 18, issue 16, 1-8

Abstract: Brief cognitive screening instruments are used to identify patients presenting with cognitive symptoms that warrant further assessment. This study aimed to evaluate the reliability and validity of the Persian version of the Quick Mild Cognitive Impairment (Q mci -Pr) among middle-aged and older Iranian adults. Consecutive patients aged ?55 years and caregivers attending with them as normal controls (NCs) were recruited from geriatric outpatient clinics and a hospital in Tehran, Iran. All patients completed the Q mci -Pr before completing an independent detailed neuropsychological assessment and staging using the Clinical Dementia Rating (CDR) Scale. NCs underwent the same assessment. In all, 92 participants with a median age of 70 years (±13) were available. Of these, 20 participants were NCs, 24 had subjective memory complaints (SMC), 24 had mild cognitive impairment (MCI), and 24 had Alzheimer’s disease (AD). The Q mci -Pr had good accuracy in differentiating SMC and NC from MCI (area under the curve (AUC): 0.80 (0.69–0.91)) and in identifying cognitive impairment (MCI and mild AD) (AUC: 0.87 (0.80–0.95)) with a sensitivity of 88% and specificity of 80%, at an optimal cut-off of <53/100. The Q mci -Pr is an accurate short cognitive screening impairment for separating NC and patients with SMC from MCI and identifying cognitive impairment. Further research with larger samples and comparison with other widely used instruments such as the Montreal Cognitive Assessment is needed. Given its established brevity, the Q mci -Pr is a useful screen for Iranian adults across the spectrum of cognitive decline.

Keywords: cognitive decline; screening; psychometrics; older adults (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
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