index

Postoperative

Postoperative 1 Week

Postoperative 6 Month

Last follow-up

Intervertebral height (mm)

8.3 ± 2.4

11.0 ± 1.5¹

10.9 ± 0.9¹

10.8 ± 1.0¹

Degree of spondylolisthesis (%)

21.1 ± 12.2

4.1 ± 2.1¹

3.9 ± 2.0¹

3.8 ± 1.9¹

Intervertebral foramen height (mm)

105.4 ± 17.9

162.1 ± 16.2¹

160.6 ± 15.2¹

157.5 ± 14.5¹

Sagittal diameter of spinal canal (mm)

6.5 ± 1.7

10.8 ± 0.9¹

11.3 ± 0.8¹

11.7 ± 1.0¹