Fig. 2

The box plot displays the physical performance parameters from a three-month treatment follow-up. A Hand grip strength (kg). B Gait speed (m/s). Data are expressed as the median (interquartile range). Comparisons within groups from baseline to three months were performed using the Wilcoxon signed-rank test (†P < 0.05). Value change differences between intervention and control groups as determined by the Mann–Whitney U test (*P < 0.05, ** P < 0.01)