The performance of shear wave elastography outperformed that of greyscale BI-RADS in all standard aspects of performance, including accuracy, PPV, NPV, area under the curve on a ROC analysis (Figure 7 ), and Youden's Index; however, this difference did not reach statistical significance ( P = 0.129, Mann-Whitney U test).
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Quantitative shear wave ultrasound elastography: initial experience in solid breast masses.
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