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Figure 4: ROC curve on HIV-1 viral load (artus HIV-1 RG RT-PCR assay Qiagen GmbH, Germany) that define the three CDC CD4 categories. (A) Between CDC, 1 and 2, the cut off viral load = 76990 copies/mL (Sensitivity = 77%, Specificity = 48%), (B) Between CDC 2 and 3, the cut off viral load = 487772 copies/mL (Sensitivity = 71.2 %, Specificity = 66%)

Figure 4: ROC curve on HIV-1 viral load (artus HIV-1 RG RT-PCR assay Qiagen GmbH, Germany) that define the three CDC CD4 categories. (A) Between CDC, 1 and 2, the cut off viral load = 76990 copies/mL (Sensitivity = 77%, Specificity = 48%), (B) Between CDC 2 and 3, the cut off viral load = 487772 copies/mL (Sensitivity = 71.2 %, Specificity = 66%)