Preoperative and Postoperative Results of Two Treatment Groups
| IBLRFS | SRS | |||
|---|---|---|---|---|
| Preoperative | Postoperative | Preoperative | Postoperative | |
| Percentile degree of displacement (%) | 23.48 ± 5.36 | 6.47 ± 1.49 | 21.78 ± 5.16 | 6.34 ± 2.01 |
| Displacement angle(°) | 2.2 ± 1.1 | 10.3 ± 3.3 | 2.3 ± 1.0 | 9.8 ± 2.1 |
| Sacral inclination(°) | 29.4 ± 6.5 | 42.6 ± 8.1 | 26.4 ± 8.5 | 44.1 ± 7.6 |
| Ratio of inte rve rte b ra l height * | 0.68 ± 0.21 | 0.85 ± 0.12 | 0.62 ± 0.25 | 0.79 ± 0.23 |
↵* Ratio of intervertebral height of slip segment to superior segment