Fig. 1From: Conventional ultrasound, color Doppler, TI-RADS, and shear wave elastography for thyroid nodule differentiation: a study of efficacy compared with the histopathology resultsa Receiver operating characteristic (ROC) curve for the Emean of SWE; Emean the mean elasticity index of the stiffest portion of the nodule. b Receiver operating characteristic (ROC) curve for the ER of SWE; ER the ratio of mean elasticity indices of the nodule and the parenchymaBack to article page