Does Operator Experience and the Q‐Box Diameter Affect the Repeatability of Liver Stiffness Measurements Obtained by 2‐Dimensional Shear Wave Elastography?

Objectives The purpose of this research was to evaluate whether operator experience and the quantitative analysis system (Q‐Box; SuperSonic Imagine, Aix‐en‐Provence, France) diameter affect the repeatability of liver stiffness measurements. Methods We enrolled 417 outpatients. All measurements were performed by 2 operators, including an expert and a novice. Each patient was continuously measured 3 times by the 2 operators. The Q‐Box diameter was...