Original Research

Usefulness of the HIV Dementia Scale in Nigerian patients with HIV/AIDS

Olubunmi A Ogunrin, Emeka U Eze, Francis Alika
Southern African Journal of HIV Medicine | Vol 10, No 3 | a274 | DOI: https://doi.org/10.4102/sajhivmed.v10i3.274 | © 2009 Olubunmi A Ogunrin, Emeka U Eze, Francis Alika | This work is licensed under CC Attribution 4.0
Submitted: 15 December 2009 | Published: 05 November 2009

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Olubunmi A Ogunrin, University of Benin, Nigeria
Emeka U Eze, University of Benin, Nigeria
Francis Alika, University of Benin Teaching Hospital, Nigeria

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Objective: Information on the cognitive complications of HIV/AIDS from sub-Saharan Africa, where statistics on HIV is alarming, is sparse because of lack of validated cognitive tools. This study assessed the usefulness and predictive validity of the HIV Dementia Scale (HDS) as a screening tool among HIV-positive Nigerian Africans.
Design: HIV-positive patients were randomly selected over a period of two months.
Setting: The HIV/AIDS outpatient clinic of the University teaching hospital, Benin City, Nigeria.
Subjects: Asymptomatic and symptomatic HIV-positive patients were compared with age, sex and level of education-matched controls.
Outcome measures: Cognitive performances on the modified HIV Dementia scale.
Results: The performances of 160 HIV-positive (comprising 80 asymptomatic and 80 symptomatic) subjects were compared with 80 age, sex and level of education-matched HIV-negative subjects on the HDS. The mean HDS scores (maximum =12) were 10.78±1.18 (comparison subjects), 8.85±1.38 (asymptomatic) and 5.2±1.13 (symptomatic); p<0.01. The HDS has a sensitivity of 97.3%, specificity of 80.4%, accuracy of 91.9% and predictive value positive of 91.4% and negative of 93.2%.
Conclusion: The utility of the HIV Dementia Scale as a sensitive screening tool for patients with HIV/AIDS in sub-Saharan Africa was evident but insensitive to memory impairment among asymptomatic HIV patients.


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