Original Research

Changes in the incidence and prevalence of human immunodeficiency virus or acquired immunodeficiency syndrome in the South African medical schemes environment: 2005–2015

Floidy Wafawanaka, Martha S. Lubbe, Irma Kotzé, Marike Cockeran
Southern African Journal of HIV Medicine | Vol 21, No 1 | a1007 | DOI: https://doi.org/10.4102/sajhivmed.v21i1.1007 | © 2020 Floidy Wafawanaka, Martha S. Lubbe, Irma Kotzé, Marike Cockeran | This work is licensed under CC Attribution 4.0
Submitted: 06 July 2019 | Published: 29 June 2020

About the author(s)

Floidy Wafawanaka, Medicine Usage in South Africa (MUSA), Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
Martha S. Lubbe, Medicine Usage in South Africa (MUSA), Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
Irma Kotzé, Medicine Usage in South Africa (MUSA), Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
Marike Cockeran, Department of Statistics, School of Computer, Statistical and Mathematical Sciences, North-West University, Potchefstroom, South Africa


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Abstract

Background: The South African (SA) private medical schemes environment has over the past two decades respond to the evolving needs of people living with the human immunodeficiency virus (PLWH) or acquired immunodeficiency syndrome (AIDS).

Objective: To determine changes in the incidence and prevalence rate of human immunodeficiency virus (HIV) or AIDS in the SA private medical schemes environment from 2005 to 2015.

Method: In this observational study, a single, pharmaceutical benefit management (PBM) company’s medicine-claims database of members with HIV or AIDS has been retrospectively analysed from January 2005 to December 2015. The cohort includes all patients identified by the HIV or AIDS-related diagnostic ICD-10 codes, B20-B24, who also claimed antiretroviral medication during that period.

Results: From 2005 to 2015, the proportion of HIV or AIDS patients enrolled in the PBM-company increased from 0.63% to 2.10%, and the incidence rate of new cases among the beneficiaries increased 2.3 times. The highest HIV or AIDS prevalence and incidence rates were found in the age group ≥ 40 and < 60 years, followed by the age group ≥ 60 and < 70 years. The highest prevalence rates in 2015 were recorded in Gauteng, namely, 422.4/1000 beneficiaries, followed by Western Cape (149.4/1000), and KwaZulu-Natal (118.4/1000).

Conclusion: There has been an increase in the number of SA-PLWH accessing treatment in the medical scheme environment. The high prevalence of HIV infection among older members should signal concern that HIV-related comorbid conditions are likely to become a growing component of care required by PLWH utilizing the SA private healthcare sector.


Keywords

incidence; prevalence; HIV or AIDS; medical schemes; South Africa

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