| Pre-operative (n = 11) | Postoperative (n = 11) | p value | ||
---|---|---|---|---|---|
Local parameters | |||||
 Slip percentage | 60.0 | (53.0, 62.0) | 30.0 | (23.0, 36.0) | 0.003** |
 Dubousset’s lumbosacral angle | 84.1 | (75.6, 92.3) | 97.9 | (92.5, 111.4) | 0.003** |
Pelvic parameters | |||||
 Pelvic tilt | 24.2 | (22.2, 30.5) | 25.4 | (15.8, 30.4) | 0.131 |
 Pelvic incidence | 62.1 | (53.1, 80.8) | 64.9 | (52.1, 81.4) | 0.059 |
 Sacral slope | 32.3 | (30.4, 49.1) | 41.9 | (35.9, 52.2) | 0.091 |
Spinal parameters | |||||
 LL | −49.4 | (−70.3, −34.7) | −57.7 | (−70.0, −47.1) | 0.013* |
 PI-LL mismatch | 16.0 | (10.0, 26.3) | 9.9 | (0.0, 19.0) | 0.021* |
 SVA (mm) | 36.9 | (18.3, 59.8) | 23.6 | (0.1, 54.1) | 0.213 |
Wilcoxon signed rank, median (IQR). *P < 0.05, **P < 0.01 |