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of participants, limiting our statistical power for some sub- Disclaimer
group analyses. The study included only PLWHA and The views and opinions expressed in this article are those of
therefore did not offer the opportunity of comparing the authors and do not necessarily reflect the official policy or
estimates with those in the non-HIV-infected population. position of any affiliated agency of the authors.
Our study also has some strengths including the relatively
large and randomly selected sample, which increased the References
generalisability of our findings. We also had data on blood
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http://www.sajhivmed.org.za 161 Open Access