Fig. 2From: Performance of spleen stiffness measurement by 2D-shear wave elastography in evaluating the presence of high-risk varices: comparative analysis of idiopathic portal hypertension versus hepatitis B virusa Histogram and b Tukey box show the distribution of spleen stiffness values measured by using 2D-SWE in IPH. Dots in b show the individual patient spleen stiffness values, box boundaries show the first and third quartile values, and the whiskers show 1.5 times the interquartile rangeBack to article page