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. 2014 Feb;52(2):517–523. doi: 10.1128/JCM.02461-13

FIG 2.

FIG 2

Proportion of samples with <50 copies/ml by the Amplicor assay as a function of the TaqMan version 1 or version 2 assay. The proportion of samples with Amplicor results of <50 copies/ml decreased at higher TaqMan version 1 and version 2 strata. (A) Proportion of samples with undetectable viral loads by the Amplicor assay (<50 copies/ml) as a function of the viral load reported by the TaqMan version 1 assay. (B) Similar plot as in panel A but as a function of the viral load reported by the TaqMan version 2 assay. For both TaqMan assays, when either had a viral load result of up to 100 copies/ml, a majority of the corresponding samples were actually undetectable by the Amplicor assay.