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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Antivir Ther. 2012 Aug 22;18(1):39–43. doi: 10.3851/IMP2323

Figure 2. Baseline predictors of HIV-1 RNA by single-copy assay (SCA).

Figure 2

(A) Age (≤ 46, > 46 years) versus HIV-1 RNA by SCA (median age of the study population for this analysis was 46 years). (B) Years (≤ 2 vs. >2) since first HIV-1 RNA below detectable limits by commercial assays versus HIV-1 RNA by SCA. When the SCA measurement was below the detection limit, a value of 1/2 of the detection limit was imputed. The solid horizontal line indicates the median SCA value; the dashed lines indicate 25th and 75th percentile. (The 25th percentile was 0.1 copies/mL for the group with age ≤46 years old and the group with >2 years since first HIV-1 RNA below detectable limits by commercial assays).