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Reproducibility of Liver Stiffness Measurement by Ultrasonographic Elastometry  Jérôme Boursier, Anselme Konaté, Gabriella Gorea, Stéphane Reaud, Emmanuel.

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Presentation on theme: "Reproducibility of Liver Stiffness Measurement by Ultrasonographic Elastometry  Jérôme Boursier, Anselme Konaté, Gabriella Gorea, Stéphane Reaud, Emmanuel."— Presentation transcript:

1 Reproducibility of Liver Stiffness Measurement by Ultrasonographic Elastometry 
Jérôme Boursier, Anselme Konaté, Gabriella Gorea, Stéphane Reaud, Emmanuel Quemener, Frédéric Oberti, Isabelle Hubert– Fouchard, Nina Dib, Paul Calès  Clinical Gastroenterology and Hepatology  Volume 6, Issue 11, Pages (November 2008) DOI: /j.cgh Copyright © 2008 AGA Institute Terms and Conditions

2 Figure 1 Location of the liver stiffness measurement sites. LSEs were performed on the first or the second intercostal space under the upper limit of the liver dullness. Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions

3 Figure 2 Correlation of LSE results between observers O1 and O2, providing an agreement of Ric of 0.93. Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions

4 Figure 3 Discordance rate for Metavir fibrosis stage between observers O1 and O2 as a function of anatomic site and reference (O2) Metavir fibrosis stage. Discordance was defined by a difference of at least 1 fibrosis stage between O1 and O2 results. Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions

5 Figure 4 Interobserver agreement for LSE results as a function of different intervals of LSE result (reference: O2) and anatomic sites. Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions

6 Figure 5 Interobserver agreement for LSE results as a function of LSE IQR ratio (reference: O2). Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions

7 Figure 6 Interobserver agreement for LSE results as a function of BMI.
Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions

8 Figure 7 Relationship of the crude or relative difference between the 2 observers' LSE results with the LSE result (in reference O2). Clinical Gastroenterology and Hepatology 2008 6, DOI: ( /j.cgh ) Copyright © 2008 AGA Institute Terms and Conditions


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