Figure 1G–L.

Lateral X-ray radiographs of vertebral fractures of representative patients from OPSF-4, -6, PPSF-6, and -6 screw groups before, immediately after, and 12 months after the surgery. (G–I) Lateral view radiographs of a 45-year-old male patient with type IB vertebral fracture (at L2) in thePPSF-4 group before (G), immediately after (H), and 12 months after the surgery (I). (J–L) Lateral view radiographs of a 51-year-old female patient with type IIB vertebral fracture (at L2) in the PPSF-6 group before (J), immediately after (K), and 12 months after the surgery (L).