Fig. 9From: Prognostic factors determining the surgical interference of biliary atresia in Egyptian infants: single-center experienceReceiver operating characteristic curve (ROC curve) of the pre-operative GGT level by UL for predicating success of treatment of biliary atresia. It shows that GGT at a cut-off value of ≤ 491 UL has 57% sensitivity, 60% specificity, 41% PPV 54% NPV, and 59% accuracyBack to article page