Fig. 2From: QuantiFERON conversion following tuberculin administration is common in HIV infection and relates to baseline responseROC analysis. a. Figure showing ROC analysis for baseline TBAg-Nil to distinguish converters and non-converters. b Table showing sensitivity, specificity, proportion correctly classified, positive likelihood ratio and negative likelihood ratio for each cut-off value. LR + = positive likelihood ratio, LR- = negative likelihood ratioBack to article page