Fig. 4
From: Effect of disease duration on fecal biomarkers in ulcerative colitis: a prospective cohort study
Receiver operating characteristic (ROC) curve analysis for predicting mucosal healing in the three groups according to disease duration. ROC curve of fecal calprotectin (FC) and fecal immunochemical occult blood test (FIT) in all cases (a). ROC curves of FC and FIT in the groups of disease duration 0–5 years (b), 6–12 years (c), and 13–38 years (d)