Variation in HIV care and treatment outcomes by facility in South Africa, 2011–2015: A cohort study

Jacob Bor, Anna Gage, Dorina Onoya, Mhairi Maskew, Yorghos Tripodis, Matthew P Fox, Adrian Puren, Sergio Carmona, Koleka Mlisana and William MacLeod

PLOS Medicine, 2021, vol. 18, issue 3, 1-18

Abstract: Background: Despite widespread availability of HIV treatment, patient outcomes differ across facilities. We propose and evaluate an approach to measure quality of HIV care at health facilities in South Africa’s national HIV program using routine laboratory data. Methods and findings: Data were extracted from South Africa’s National Health Laboratory Service (NHLS) Corporate Data Warehouse. All CD4 counts, viral loads (VLs), and other laboratory tests used in HIV monitoring were linked, creating a validated patient identifier. We constructed longitudinal HIV care cascades for all patients in the national HIV program, excluding data from the Western Cape and very small facilities. We then estimated for each facility in each year (2011 to 2015) the following cascade measures identified a priori as reflecting quality of HIV care: median CD4 count among new patients; retention 12 months after presentation; 12-month retention among patients established in care; viral suppression; CD4 recovery; monitoring after an elevated VL. We used factor analysis to identify an underlying measure of quality of care, and we assessed the persistence of this quality measure over time. We then assessed spatiotemporal variation and facility and population predictors in a multivariable regression context. Conclusions: We observed persistent differences in HIV care and treatment outcomes across South African facilities. Targeting low-performing facilities for additional support could reduce overall burden of disease. Jacob Bor and co-workers use a new measure of care quality to report on facility-level variations in HIV care and outcomes in South Africa.Why was this study done?: What did the researchers do and find?: What do these findings mean?:

Date: 2021
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pmed00:1003479

DOI: 10.1371/journal.pmed.1003479

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