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  • Title: Validation of the Sinhala Version of the Addenbrooke's Cognitive Examination-Revised for the Detection of Dementia in Sri Lanka: Comparison with the Mini-Mental Status Examination and the Montreal Cognitive Assessment.
    Author: Suriyakumara V, Srikanth S, Wijeyekoon R, Gunasekara H, Muthukuda C, Rajapaksha D, Weerasekara R, Gonawala L, Wijekoon N, de Silva KRD.
    Journal: Dement Geriatr Cogn Disord; 2019; 47(4-6):198-208. PubMed ID: 31311022.
    Abstract:
    BACKGROUND: Sri Lanka is a rapidly aging country, where dementia prevalence will increase significantly in the future. Thus, inexpensive and sensitive cognitive screening tools are crucial. OBJECTIVES: To assess the reliability, validity, and diagnostic accuracy of the Sinhalese version of the Addenbrooke's Cognitive Examination-Revised (ACE-R s). METHOD: The ACE-R was translated into Sinhala with cultural and linguistic adaptations and administered, together with the Sinhala version of the Montreal Cognitive Assessment (MoCA), to 99 patients with dementia and 93 gender-matched controls. RESULTS: The ACE-R s cutoff score for dementia was 80 (sensitivity 91.9%, specificity 76.3%). The areas under the curve for the ACE-R s, Mini-Mental State Examination (MMSE) and MoCA were 0.90, 0.86, and 0.86, respectively. The -ACE-R s had good interrater reliability (intraclass correlation = 0.94), test-retest reliability (intraclass correlation = 0.99), and internal consistency (Cronbach's α = 0.8442). CONCLUSIONS: The ACE-R s is sensitive, specific and reliable to detect dementia in persons aged ≥50 years in a Sinhala-speaking population and its diagnostic accuracy is superior to previously validated tools (MMSE and MoCA).
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