Fig. 3

Risk relationship chart of model variables with the occurrence of NVCF after PKP. (A) Relationship between preoperative anterior vertebral heigh pre-op AVH and the risk of NVCF after PKP. (B) Relationship between vertebral height recovery rate and the risk of NVCF after PKP. NVCF new vertebral compression fracture, PKP Percutaneous kyphoplasty, Pre-op AVH preoperative anterior vertebral heigh.