Figure 3.

Three dimensional computed tomography at last followup in these groups, all showed solid fusion. (a) in bilateral pedicle screw group; (b) in unilateral pedicle screw group; (c) in UPSFS group

Three dimensional computed tomography at last followup in these groups, all showed solid fusion. (a) in bilateral pedicle screw group; (b) in unilateral pedicle screw group; (c) in UPSFS group