Normative scores for malayalam cognitive screening test battery among older adults in Kerala, India

Autor: Priya Jyothishmathy Radhakrishnan, Sreelakshmi Pallipurath Raghunath, Devi Mohan, Reeja Rajan, Thomas Iype
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Annals of Indian Academy of Neurology, Vol 26, Iss 1, Pp 44-53 (2023)
Druh dokumentu: article
ISSN: 0972-2327
1998-3549
DOI: 10.4103/aian.aian_695_22
Popis: Background: Many neuropsychological tests are primarily developed in high-income countries, and normative data are not readily available for low- and middle-income countries (LMICs). We need culturally appropriate cognitive screening tests for India. Objective: Hence, we decided to translate the Hindi cognitive screening test battery (HCSTB) tool to Malayalam and establish the age and education-stratified norms for a Malayalam cognitive screening test battery (MCSTB). Material and Methods: HCSTB was translated to Malayalam, back-translated by bilinguals conversant in Malayalam and English, and pretested on 30 older normal adults. Using a multistage sampling technique, we conducted a descriptive cross-sectional survey in the Thiruvananthapuram district of Kerala, India. We approached older adults aged ≥60 years for informed and written consent. We excluded subjects with depression, functional impairment, cognitive impairment, history of stroke, psychosis, and visual/hearing loss that impaired cognitive assessment. Results: The normative data were derived from 441 older adults: 226 (51%) from rural areas and 215 (49%) from urban areas. Age and education affected the cognitive scores. The time to administer MCSTB among normal adults was approximately 17 minutes. Discussion and Conclusion: The derived normative data showed lower values than the published literature. A limitation of our study was the small number of older people with ≥12 years of education and the lack of neuroimaging of the subjects.
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