Review
Copyright ©The Author(s) 2024.
World J Gastroenterol. Mar 7, 2024; 30(9): 1043-1072
Published online Mar 7, 2024. doi: 10.3748/wjg.v30.i9.1043
Table 2 Summary of the accuracy of abdominal sonography in the preoperative diagnosis of biliary atresia[62-65]
Finding
Sensitivity (%)
Specificity (%)
Positive predive value (%)
Negative predictive value (%)
Triangular cord sign23.3-9397.1-10077.874.4
Abnormal gallbladder83.3-8582.6-94.467.691.9
Absent gallbladder28-5394-10096-10046-75
Nonvisualized common bile duct83-93.347.8-7143.8-9056-94.3
Negative triangular cord sign with a normal gallbladder---91.9