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Boxplots showing SWD results (median and interquartile range) for each group. (A) SW speed. (B) SWD slope. *P<0.05 versus the control group; †P<0.05 versus the 1 w group; ‡P<0.05 versus the 2 w group. SWD, shear wave dispersion; SW, shear wave; Con, control group; w, week.
