Table 3.
Comparison of preoperative radiological data between the study groups
| Revision surgery (+) Group 1 n = 7 | Revision surgery (−) Group 2 n = 14 | P | |
|---|---|---|---|
| Coronal Cobb angle (°) | 5.0 ± 1.2 | 4.8 ± 0.8 | 0.91 |
| Lumbar lordosis (°) | 25.1 ± 9.2 | 24.7 ± 8.0 | 0.91 |
| Lumbar ROM in flexion-extension (°) | 29.6 ± 8.3 | 34.0 ± 13.0 | 0.42 |
| Disc height (mm) | 6.9 ± 1.9 | 7.6 ± 1.9 | 0.45 |
| Foraminal height (mm) | 17.2 ± 2.6 | 16.5 ± 3.1 | 0.6 |
| Disc wedging (°) | 3.5 ± 1.0 | 1.1 ± 0.2 | 0.005 |
| Segmental lordotic angle (°) | 6.9 ± 4.0 | 8.3 ± 3.0 | 0.4 |
| Segmental ROM in flexion-extension (°) | 4.7 ± 1.6 | 5.3 ± 2.3 | 0.55 |