Table 2 Coronal parameters before and after surgery in 4 groups
Pattern 1 | Pattern 2 | P value | |||||
|---|---|---|---|---|---|---|---|
groups | type 0–1 | type 1 | (P value) | type 0–2 | type 2 | (P value) | |
Patients No. | 34 | 21 | - | 30 | 27 | - | - |
Preoperative major Cobb angle | 26.1 ± 15.9 | 31.4 ± 16.3 | (0.241) | 24.5 ± 11.9 | 25.9 ± 13.4 | (0.685) | 0.391 |
Postoperative major Cobb angle | 8.1 ± 7.3 | 9.6 ± 7.2 | (0.466) | 7.9 ± 5.8 | 9.0 ± 6.3 | (0.509) | 0.792 |
Δ major Cobb angle | 18.0 ± 12.0 | 21.8 ± 11.7 | (0.254) | 16.6 ± 9.5 | 17.3 ± 10.0 | (0.793) | 0.371 |
Preoperative GCM | 9.1 ± 5.1 | 28.8 ± 30.9 | (0.001) | 9.0 ± 5.0 | 37.6 ± 11.7 | (0.000) | 0.000 |
Postoperative GCM | 12.8 ± 11.6 | 9.6 ± 11.5 | (0.330) | 20.2 ± 14.1 | 22.7 ± 12.3 | (0.483) | 0.001 |
Δ GCM | 6.5 ± 17.5 | 36.2 ± 19.4 | (0.000) | -11.3 ± 13.9 | 14.6 ± 17.8 | (0.000) | 0.000 |
Postoperative imbalance:balance | 6:28 | 2:19 | (0.696) | 15:15 | 17:10 | (0.325) | 0.000 |