Table 2.
Preoperative and Postoperative Radiographic Parameters.a
| Group 1 | Group 2 | P | |
|---|---|---|---|
| Preoperative | |||
| Thoracic kyphosis (°) | 82.5 ± 12.9 | 80.6 ± 13.2 | .7 |
| Lumbar lordosis (°) | 75.0 ± 15.8 | 70.0 ± 19.6 | .52 |
| Sagittal balance (mm) | −2.8 | 11.1 | .41 |
| Disc angle below LIV (°) | −9.9 ± 6.0 | −8.6 ± 5.1 | .44 |
| Postoperative | |||
| Thoracic kyphosis (°) | 49.6 ± 13.5 | 45.8 ± 6.9 | .41 |
| Curve correction (%) | 39.9 | 43.2 | |
| Lumbar lordosis (°) | 61.7 ± 14.0 | 55.0 ± 16.2 | .21 |
| Sagittal balance (mm) | −8.2 | −5.8 | .82 |
| Disc angle below LIV (°) | −6.2 ± 4.3 | −2.9 ± 5.8 | .02 |
Abbreviation: LIV, lowest instrumented vertebra.
aSignificant values (P < .05) are in bold.