Fig. 9

Effects of CON-EV and IL-6-EV on the knee joint space width in rats. (A) Schematic diagram of experimental design in rats. (B) Anteroposterior and lateral radiographs of the knee joint in each group. (C, D) Statistical analysis of joint space width in the anteroposterior and lateral views. All data are shown as means ± standard deviations (n = 5), *p < 0.05, **p < 0.01, ***p < 0.001, ****p < 0.0001