Fig. 3.

Micro-CT detection of new bone formation in drill tunnel. (A) Routine scanning and 3D reconstruction micro-CT images of femoral condyles after treatments. The red circle and square indicate ROI. Scale bar = 5 mm. (B–F) Quantitative analysis of bone microstructural parameters in ROI. Data are represented as mean ± SD (n = 3; *P < 0.05, **P < 0.01, ***P < 0.001, ****P < 0.0001). (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)