Fig. 2From: Drain output volume after pancreaticoduodenectomy is a useful warning sign for postoperative complicationsReceiver operating characteristics (ROC) curves of drain output volume (DOV) to determine the cutoff value of DOV on POD 1 to predict CR-POPF (a), and DOV on POD 3 to predict CR-CL (b) after pancreaticocuodenectomy. ROC curve (thick line), 95% confidence interval (CI) bounds (narrow line)Back to article page