ROC Curves. Receiver Operator Characteristic (ROC) curves determined by the stepwise-logistic regression (SWLR) for the therapy regimens presented in Table 1 using the IR classification. The BOLD blue shows the average ROC curve over 500 iterations. The solid black line indicates the prediction ability with 20% shuffling of the responder v non-responder categories. The dashed line indicates the corresponding averages of completely shuffled responder vs. non-responder categories.