Fig. 4.

Changes in the levels of physical performance from baseline to 6-month after intravenous infusion in the MSCs group and placebo group. A Timed Up and Go (TUG); B 4-m walking test (4MWT); C Grip strength; D Five times sit to stand test (FTTST). *p < 0.01 vs baseline, **p < 0.002 vs baseline; ^†p < 0.05 vs placebo, ^‡ p < 0.01 vs placebo