Regardless of the mechanism, the confounding bias demonstrated by our analyses was strong enough to nullify highly significant univariate associations between serum selenium and CD4 count and plasma viral load.
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Low serum albumin and the acute phase response predict low serum selenium in HIV-1 infected women.
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The sentences
Women with an acute phase response had lower serum selenium concentrations than women without an acute phase response, although this association did not reach statistical significance.