Figure 2From: Construction of a scoring system for predicting the risk of severe gastrointestinal involvement in Henoch-Schönlein PurpuraPrognostic accuracy of scoring system for gross blood in stool. (A) Receiver operating characteristic (ROC) curves of the scores for patients with gross blood in stools. (B) ROC curves and the areas under the ROC curves (AUCs) for each parameter comprising the scoring system are shown. The longitudinal axis shows the sensitivity for WBC count, neutrophil count, D-dimer and 1-specificity for albumin and coagulation factor XIII.Back to article page