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

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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 1263-1269 (November 2008) DOI: 10.1016/j.cgh.2008.07.006 Copyright © 2008 AGA Institute Terms and Conditions

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, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions

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, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions

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, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions

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, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions

Figure 5 Interobserver agreement for LSE results as a function of LSE IQR ratio (reference: O2). Clinical Gastroenterology and Hepatology 2008 6, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions

Figure 6 Interobserver agreement for LSE results as a function of BMI. Clinical Gastroenterology and Hepatology 2008 6, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions

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, 1263-1269DOI: (10.1016/j.cgh.2008.07.006) Copyright © 2008 AGA Institute Terms and Conditions