Results of paired t test: comparison of spinopelvic parameters measured on x-ray and CT images.
| Spinopelvic Parameters | X-ray | CT | P Value | ||
| Mean | SD | Mean | SD | ||
| Pelvic incidence | 45.2 | 13.8 | 44.5 | 13.3 | 0.86 |
| Pelvic tilt | 10 | 6.7 | 8.2 | 5.7 | 0.52 |
| Sacral slope | 35.3 | 9.7 | 36.2 | 9.9 | 0.9 |
Abbreviations: CT, computed tomography.