Micro-CT analysis of the RC healing site defects at postoperative week 4 and 8 (A) Representative 3D reconstruction images of humeral head for all groups, Scale bar = 500 μm (B) Quantitative analysis of the bone volume/total volume (BV/TV), trabecular thickness (Tb.Th), trabecular number (Tb.N), and trabecular separation (Tb.Sp) for regenerated bone in (A). n = 4 per group. RC, rotator cuff; SST, supraspinatus tendon. All data are mean ± SD. ∗P < 0.05 represents significant differences between the indicated columns.