Validation of the Identification and Intervention for Dementia in Elderly Africans (IDEA) cognitive screen in Nigeria and Tanzania View Full Text


Ontology type: schema:ScholarlyArticle      Open Access: True


Article Info

DATE

2015-12

AUTHORS

Stella-Maria Paddick, William K Gray, Luqman Ogunjimi, Bingileki lwezuala, Olaide Olakehinde, Aloyce Kisoli, John Kissima, Godfrey Mbowe, Sarah Mkenda, Catherine L Dotchin, Richard W Walker, Declare Mushi, Cecilia Collingwood, Adesola Ogunniyi

ABSTRACT

BACKGROUND: We have previously described the development of the Identification and Intervention for Dementia in Elderly Africans (IDEA) cognitive screen for use in populations with low levels of formal education. The IDEA cognitive screen was developed and field-tested in an elderly, community-based population in rural Tanzania with a relatively high prevalence of cognitive impairment. The aim of this study was to validate the IDEA cognitive screen as an assessment of major cognitive impairment in hospital settings in Nigeria and Tanzania. METHODS: In Nigeria, 121 consecutive elderly medical clinic outpatients reviewed at the University College Hospital, Ibadan were screened using the IDEA cognitive screen. In Tanzania, 97 consecutive inpatients admitted to Mawenzi Regional Hospital (MRH), Moshi, and 108 consecutive medical clinic outpatients attending the geriatric medicine clinic at MRH were screened. Inter-rater reliability was assessed in Tanzanian outpatients attending St Joseph's Hospital in Moshi using three raters. A diagnosis of dementia or delirium (DSM-IV criteria) was classified as major cognitive impairment and was provided independently by a physician blinded to the results of the screening assessment. RESULTS: The area under the receiver operating characteristic (AUROC) curve in Nigerian outpatients, Tanzanian outpatients and Tanzanian inpatients was 0.990, 0.919 and 0.917 respectively. Inter-rater reliability was good (intra-class correlation coefficient 0.742 to 0.791). In regression models, the cognitive screen did not appear to be educationally biased. CONCLUSIONS: The IDEA cognitive screen performed well in these populations and should prove useful in screening for dementia and delirium in other areas of sub-Saharan Africa. More... »

PAGES

53

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1186/s12877-015-0040-1

DOI

http://dx.doi.org/10.1186/s12877-015-0040-1

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1005601267

PUBMED

https://www.ncbi.nlm.nih.gov/pubmed/25908439


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