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Chart shows mean postprandial liver stiffness augmentations measured for 20 healthy volunteers and 25 patients with five different biopsy-proven fibrosis stages. Significant differences were found to distinguish three groups of subjects studied (healthy volunteers, patients with F0–F2 fibrosis, and patients with F3–F4 fibrosis). Asterisk indicates p < 0.001; double asterisk indicates p < 0.0001.
