Figure 3From: End point prick test: could this new test be used to predict the outcome of oral food challenge in children with cow's milk allergy?Receiver operating characteristic (ROC) analysis of a positive OFC, calculated for 4D EPT dilution. Area under the curve: 0.88. The test result variable(s): 4D test has at least one tie between the positive actual state group and the negative actual state group.Back to article page