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. 2014 Nov 1;30(11):1082–1088. doi: 10.1089/aid.2013.0217

FIG. 1.

FIG. 1.

Reproducibility of serial HIV-1 RNA measurements in blood and seminal plasma and relationship of blood and seminal plasma HIV-1 RNA concentrations in a validation cohort of 11 HIV-1 infected men off antiretroviral therapy (ART). Concentrations of HIV-1 RNA from serial measurements utilizing the assay optimization cohort are plotted. Undetectable values (<1.7 log10 RNA copies/ml) were assigned a value of 1.7 log10 RNA copies/ml. (A) The mean values for seminal plasma HIV-1 RNA concentrations (log10 RNA copies/ml) across two visits for each person in the assay optimization cohort are plotted. (B) The mean values for blood plasma HIV-1 RNA concentrations (log10 RNA copies/ml) across two visits for each person in the assay optimization cohort are plotted. (C) The correlation between blood and seminal plasma HIV-1 RNA levels was significant (p=0.03).