Table 2.
Changes in Radiological Parameters and ODI.
| Variables | Preoperative | Postoperative | Final Follow-up (18.6 ± 6.8 Months) |
|---|---|---|---|
| Spinopelvic parameters | |||
| Pelvic incidence (°) | 51.0 ± 7.9 | 50.9 ± 8.6 | 51.7 ± 8.3 |
| Pelvic tilt (°) | 37.3 ± 10.5 | 24.4 ± 8.2** | 26.5 ± 10.5** |
| Lumbar lordosis (°) | 9.7 ± 20.5 | 39.0 ± 9.6** | 38.2 ± 12.7** |
| Thoracic kyphosis (°) | 29.2 ± 15.5 | 35.3 ± 10.1 | 40.0 ± 13.9* |
| Global alignment | |||
| Sagittal vertical axis (mm) | 141.0 ± 64.0 | 51.7 ± 40.8** | 70.5 ± 59.2** |
| C7-CSVL (mm) | 36.0 ± 27.9 | 19.5 ± 11.7* | 19.7 ± 15.6* |
| PI-LL (°) | 41.3 ± 21.9 | 12.0 ± 11.1** | 12.6 ± 11.9** |
| L5-S1 disc angle | 9.1 ± 7.0 | 7.5 ± 3.9 | 5.6 ± 5.1 |
| ODI | 50.2 ± 12.0 | — | 29.2 ± 17.0 |
Abbreviations: CSVL, central sacral vertical line; PI, pelvic incidence; LL, lumbar lordosis; ODI, Oswestry Disability Index.
*P < .05, **P < .01 compared with preoperative value.