Fig. 3
From: Application of RhBMP-2 in Percutaneous Endoscopic Posterior Lumbar Interbody Fusion
Analysis of changes in vertebral body slippage degree and intervertebral space height before and 12 months after surgery in two groups. A: Comparison of intervertebral space heights between two groups; B: Comparison of the degree of vertebral body slippage between two groups. Note: ***P < 0.001 compared with the same group before surgery, and ###P < 0.001 compared with the control group 12 months after surgery