Figure 4

Radiographs in cases with paraplegia due to UIV fracture. All cases had ORPS < 73% (Case 1: 70.3%, Case 2: 72.8%, Case 3: 57.7%, Case 4: 52.0%, Case 5: 54.2%, Case 6: 63.9%). ORPS occupancy rate of pedicle screw, UIV upper instrumented vertebra.