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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Utilisation of virtual non-contrast images and virtual mono-energetic images acquired from dual-layer spectral CT for renal cell carcinoma: image quality and radiation dose

Fig. 2

Bland–Altman diagrams. This figure shows the agreement in attenuation measurements between the true non-contrast (TNC) and virtual non-contrast (VNC) images for various organs and areas. Each orange circle represents the measurement results of the TNC and VNC images of each organ in each patient, the abscissa is the mean value of the TNC and VNC of this organ in this patient, and the ordinate is the difference of this result. The blue horizontal solid line in the middle represents the average of the differences. The two red horizontal dashed lines above and below the figure indicate the upper and lower limits of the 95% consistency limit

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