Figure 4From: Cytomegalovirus-specific T-cell responses and viral replication in kidney transplant recipientsReceiver operating characteristic (ROC) analysis – CMV-specific T-cells protecting from concurrent CMV replication ROC analysis shows thresholds of protection from concurrent CMV replication for the different CMV antigens tested. AUC, Area under the curve; p-value by Fisher exact test; PPV, positive predictive value; NPV, negative predictive value.Back to article page