Ultrasound-based elastography for the diagnosis of portal hypertension in cirrhotics

Table 2 Predictive value of Transient Elastography in the liver for esophageal varices

Study	At least grade 1 EV				At least grade 2 EV
	Cut-off (kPa)	AUROC	Se	Sp	Cut-off (kPa)	AUROC	Se	Sp
Nguyen-Khac et al[39] Alcohol Clin Exp Res 2010	-	-	-	-	47.2 (alcoholic)	0.770	84.6%	63.6%
Nguyen-Khac et al[39] Alcohol Clin Exp Res 2010	-	-	-	-	19.8 (viral)	0.730	88.9%	55.1%
Sporea et al[40] Med Ultrason 2013	-	-	-	-	32.5 (alcoholic)	0.836	85%	74.6%
Sporea et al[40] Med Ultrason 2013	-	-	-	-	24.8 (viral)	0.867	81%	80.7%
Castéra et al[41] J Hepatol 2009	21.5 (HCV)	0.84	76%	78%	30.5 (HCV)	0.870	77%	85%
Sporea et al[45] World J Gastroenterol 2011	31	0.78	83%	62%	-	-	-	-
1Shi et al[46] Liver Int 2013	-	0.84	87%	53%	-	0.780	0.86%	0.59%

¹Meta-analysis: HSROC and summary Se and summary Sp are presented. EV: Esophageal varices; Se: Sensitivity; Sp: Specificity; AUROC: Area under the receiver operating characteristics curve.