Table 3.
Results before and after surgery with regard to Cobb angle of primary curvature, amount of correction, pelvic tilt, trunk decompensation, and sitting height. Values are presented in median and IQR, as they were not normally distributed. (IQR interquartile range)
| Measurement | Before surgery | 6 months after surgery | 12 months after surgery | 18 months after surgery | p value |
| 1 | 2 | 3 | 4 | ||
| Cobb angle (degrees) | |||||
| Median (P50) | 54.0 | 26.0 | 32.0 | 32.0 | 0.002* |
| IQR (P25–P75) | 42.3–78.0 | 22.5–38.0 | 26.8–39.8 | 27.0–40.0 | - |
| Pelvic obliquity (degrees) | |||||
| Median (P50) | 4.0 | 3.5 | 6.0 | 5.5 | 0.82 |
| IQR (P25–P75) | 0.0–20.3 | 0.0 15.0 | 0.0–20.0 | 0.0–10.3 | - |
| Trunk decompensation (cm) | |||||
| Median (P50) | 0.8 | 0.0 | 0.8 | 1.0 | 0.58 |
| IQR (P25–P75) | 0.0–2.0 | 0.0–1.3 | 0.0–1.1 | 0.0–2.0 | - |
| Sitting height (cm) | |||||
| Median (P50) | 63.0 | 66.6 | 69.5 | 70.6 | 0.003* |
| IQR (P25–P75) | 55.0–67.8 | 58.8–70.3 | 58.2–73.9 | 65.9–74.4 | - |
*Statistically significant values