Fig. 2　Bone fusion rates. Bone fusion rates were assessed by micro-CT at 2-week intervals for 8 weeks post-surgery. Data are presented as mean ± SD (n = 6 rats per group) . Statistical analysis was performed using repeated measures ANOVA followed by Tukey’s post-hoc test. Main effect of treatment: F (3, 20) = 15.27, p < 0.001; Main effect of time: F (3, 60) = 268.45, p < 0.001; Interaction: F (9, 60) = 2.18, p = 0.036. *p < 0.05 vs. control group at each time point.