Figure 3.

Radiographs from a 65-year-old woman diagnosed with L4/5 DLS. Preoperatively, the LL was 50.7° (A), the Cobb angle was 15.9° (B), the RIH was 7.2 mm, and the LIH was 7.8 mm (C); postoperatively, the LL was 58.5° (D), the Cobb angle was 6.3° (E), the RIH was 11.9 mm, and the LIH was 12.3 mm (F); at 14 months after surgery, the LL was 57.2° (G), the Cobb angle was 7.6° (H), the RIH was 11.7 mm, and the LIH was 11.2 mm (I). DLS, degenerative lumbar spondylolisthesis; LL, lumbar lordosis; RIH, right intervertebral height; LIH, left intervertebral height.