Diagnostic Accuracy of 10/66 Dementia Protocol in Fijian-Indian Elders Living in New Zealand

Adrian Martinez-Ruiz, Rita Krishnamurthi, Ekta Singh Dahiya, Reshmi Rai-Bala, Sanjalin Naicker, Susan Yates, Claudia Rivera Rodriguez, Gary Cheung, Makarena Dudley, Ngaire Kerse and Sarah Cullum
Additional contact information
Adrian Martinez-Ruiz: Department of Psychological Medicine, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand
Rita Krishnamurthi: National Institute for Stroke and Applied Neurosciences, Auckland University of Technology, 55 Wellesley Street East, Auckland 1010, New Zealand
Ekta Singh Dahiya: National Institute for Stroke and Applied Neurosciences, Auckland University of Technology, 55 Wellesley Street East, Auckland 1010, New Zealand
Reshmi Rai-Bala: Department of Psychological Medicine, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand
Sanjalin Naicker: Department of Psychological Medicine, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand
Susan Yates: Department of Psychological Medicine, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand
Claudia Rivera Rodriguez: Department of Statistics, The University of Auckland, Level 3, Building 303, 38 Princes Street, Auckland 1010, New Zealand
Gary Cheung: Department of Psychological Medicine, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand
Makarena Dudley: School of Psychology, The University of Auckland, Science Centre Level 2, Building 302, 23 Symonds Street, Auckland 1010, New Zealand
Ngaire Kerse: School of Population Health, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand
Sarah Cullum: Department of Psychological Medicine, The University of Auckland, Level 3, Building 507, 22-30 Park Avenue, Grafton, Auckland 1142, New Zealand

IJERPH, 2021, vol. 18, issue 9, 1-16

Abstract: The 10/66 dementia protocol was developed as a language and culture-fair instrument to estimate the prevalence of dementia in non-English speaking communities. The aim of this study was to validate the 10/66 dementia protocol in elders of Indian ethnicity born in the Fiji Islands (Fijian-Indian) living in New Zealand. To our knowledge, this is the first time a dementia diagnostic tool has been evaluated in the Fijian-Indian population in New Zealand. We translated and adapted the 10/66 dementia protocol for use in in Fijian-Indian people. Individuals (age ? 65) who self-identified as Fijian-Indian and had either been assessed for dementia at a local memory service (13 cases, eight controls) or had participated in a concurrent dementia prevalence feasibility study (eight controls) participated. The sensitivity, specificity, positive predictive value, and Youden’s index were obtained by comparing the 10/66 diagnosis and its sub-components against the clinical diagnosis (reference standard). The 10/66 diagnosis had a sensitivity of 92.3% (95% CI 70.3–99.5), specificity of 93.8% (95% CI 75.3–99.6), positive predictive value of 92.3% (95% CI 70.3–99.5), and negative predictive value of 93.8% (95% CI 75.3–99.6). The study results show that the Fijian-Indian 10/66 dementia protocol has adequate discriminatory abilities to diagnose dementia in our sample. This instrument would be suitable for future dementia population-based studies in the Fijian-Indian population living in Aotearoa/New Zealand or the Fiji-Islands.

Keywords: dementia; Alzheimer’s diseases; dementia prevalence; 10/66 dementia protocol; Fijian-Indian community (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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