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Figure 2: ROC curve on CD4 counts (Guavaź easyCD4. System, Guava technologies, Hayward, CA, USA) that define CDC clinical categories A and B (A) and CDC B and C (B) Between CDC A and B, the cut off count = 243 cells/”L (Sensitivity = 76%, Specificity = 73%) between CDC B and C, the cut off count = 153 cells/”L (Sensitivity = 73%, Specificity = 72%)

Figure 2: ROC curve on CD4 counts (Guavaź easyCD4. System, Guava technologies, Hayward, CA, USA) that define CDC clinical categories A and B (A) and CDC B and C (B) Between CDC A and B, the cut off count = 243 cells/”L (Sensitivity = 76%, Specificity = 73%) between CDC B and C, the cut off count = 153
cells/”L (Sensitivity = 73%, Specificity = 72%)