Does Supersonic Shear Wave Elastography Help Differentiate Biliary Atresia from Other Causes of Cholestatic Hepatitis in Infants Less than 90 Days Old? Compared with Grey-Scale US

Table 7

Diagnostic performance of SWE, abnormal gallbladder, and their combination to diagnose BA in patients without TC sign.

	P value	AUC	P value vs SWE	95%CI	Sensitivity	Specificity	PPV	NPV	Accuracy
SWE	<0.001	0.842		0.724, 0.961	78.6%	82.8%	42.3%	96.7%	82.2%
AbGB	<0.001	0.960	<0.05	0.924, 0.996	100%	92.0%	65.0%	100%	93.1%
SWE or AbGB	<0.001	0.874	>0.05	0.806, 0.941	100%	74.7%	37.1%	100%	78.2%
SWE and AbGB	<0.001	0.893	>0.05	0.000, 1.000	78.60%	100%	100%	96.7%	97.0%

compared with the AUC of SWE; or: in the parallel test; and: in the serial test; PPV: positive predictive value; NPV: negative predictive value.