Construction and validation of the Cox regression model for fecal incontinence in patients with Crohn’s disease. (A) Nomogram of Cox regression model for predicting 1-, 3-, and 5-year risk of fecal incontinence in patients with Crohn’s disease. The calculation is consistent with the nomogram of the logistic regression model. (B) Receiver operating characteristic (ROC) curve of Cox regression model in the testing cohort. (C) Kaplan-Meier survival curves of Montreal P and Perianal Disease Activity Index (PDAI) scores. AUC, area under the curve; CI, confidence interval.