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. Author manuscript; available in PMC: 2011 Aug 8.

Published in final edited form as: AJR Am J Roentgenol. 2011 Jul;197(1):64–70. doi: 10.2214/AJR.10.5989

Fig. 4 — Pre- and postprandial liver stiffness measurements and corresponding difference analysis in all subjects.

A, Chart shows liver stiffness data for all healthy volunteers and patients sorted by preprandial liver stiffness values. Mean liver stiffness values estimated before (○) and after (●) test meals are shown with scale along left vertical axis. Connecting needles show corresponding stiffness augmentations, which are enlarged in gray bars with different stiffness scale shown on right vertical axis.

B, Bland-Altman plots for three specified groups: healthy volunteers with no known liver diseases (○); liver patients with mild to moderate fibrosis extent (F0, F1, and F2) ( ), and liver patients with severe fibrosis extent (F3, F4) (●). There is no significant difference between pre- and postprandial liver stiffness in healthy volunteers. In patients with liver disease, difference has increased positive shift with higher degrees of fibrosis. Mean difference and corresponding 95% CI for each group are marked with horizontal lines and double-end arrows, respectively, and are listed in table.

Inline graphic — Pre- and postprandial liver stiffness measurements and corresponding difference analysis in all subjects.

A, Chart shows liver stiffness data for all healthy volunteers and patients sorted by preprandial liver stiffness values. Mean liver stiffness values estimated before (○) and after (●) test meals are shown with scale along left vertical axis. Connecting needles show corresponding stiffness augmentations, which are enlarged in gray bars with different stiffness scale shown on right vertical axis.

B, Bland-Altman plots for three specified groups: healthy volunteers with no known liver diseases (○); liver patients with mild to moderate fibrosis extent (F0, F1, and F2) ( ), and liver patients with severe fibrosis extent (F3, F4) (●). There is no significant difference between pre- and postprandial liver stiffness in healthy volunteers. In patients with liver disease, difference has increased positive shift with higher degrees of fibrosis. Mean difference and corresponding 95% CI for each group are marked with horizontal lines and double-end arrows, respectively, and are listed in table.