Risk Factors for Poor Virological Outcomes in South Africa's Workplace ART Program
Author Information
Author(s): Katherine L Fielding, Salome Charalambous, Amy L Stenson, Lindiwe F Pemba, Des J Martin, Robin Wood, Gavin J Churchyard, Alison D Grant
Primary Institution: London School of Hygiene and Tropical Medicine
Hypothesis
What are the risk factors for suboptimal virological outcomes at 12 months in a workplace-based ART program?
Conclusion
The strongest predictor of poor virological outcomes at 12 months was the decrease in viral load at six weeks after starting ART.
Supporting Evidence
- 71% of individuals had viral load < 400 copies/ml at 12 months.
- Older age and higher baseline viral load were associated with worse outcomes.
- Self-reported adherence at six weeks was a strong predictor of virological response.
Takeaway
This study looked at people starting HIV treatment in South Africa and found that how much their virus levels dropped in the first six weeks was really important for their health a year later.
Methodology
The study analyzed virological outcomes in ART-naïve individuals starting ART in a workplace program, using logistic regression to identify risk factors for suboptimal outcomes.
Potential Biases
Potential biases may arise from self-reported adherence and the observational nature of the study.
Limitations
The study had high loss to follow-up rates and did not consider individuals who left the workforce as treatment failures.
Participant Demographics
Median age was 41 years, 96% were male, and 73% were in WHO stage 3 or 4.
Statistical Information
P-Value
p<0.05
Confidence Interval
95% CI 2.56–8.68
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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