Fig. 1
From: Application of RhBMP-2 in Percutaneous Endoscopic Posterior Lumbar Interbody Fusion

Comparison of lumbar spine dysfunction analysis between two groups before surgery, and 1 month and 12 months after surgery. A: Comparison of Prolo scores among three groups; B: Comparison of JOA scores among three 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