Table 3 Radiological Results
Items | Group A (n = 24) | Group B (n = 17) | P value |
|---|---|---|---|
Preoperative | |||
Segmental curve(°) | 110.4 ± 10.5 (95-130) | 109.4 ± 11.3 (90–126) | 0.772 |
Main curve(°) | 118.3 ± 9.8 (102-142) | 114.1 ± 12.7 (100-133) | 0.249 |
Compensatory cranial curve(°) | 53.1 ± 6.5 (35-62) | 50.7 ± 8.0 (36–61) | 0.334 |
Compensatory caudal curve (°) | 57.0 ± 6.6 (42-70) | 58.1 ± 7.3 (41–69) | 0.607 |
Coronal balance(cm) | 0.8 ± 2.6 (−4.2 to 4.5) | 0.2 ± 2.8 (−3.6 to 3.8) | 0.853 |
Sagittal balance(cm) | 0.2 ± 2.1 (−3.1 to 4.0) | 0.4 ± 1.9 (−3.0 to 3.5) | 0.711 |
T5-12 kyphosis(°) | 64.2 ± 12.9 (33-85) | 57.1 ± 15.9 (42-85) | 0.202 |
L1-S1 lordosis(°) | −62.9 ± 10.2 (45-84) | −61.0 ± 15.3 (35-72) | 0.638 |
Postoperative | |||
Segmental curve(°) | 32.5 ± 11.2 (17-58) | 26.0 ± 5.2 (18–46) | 0.076 |
Main curve(°) | 36.5 ± 10.4 (20-58) | 30.2 ± 5.1 (25–41) | 0.405 |
IM corr (%) | 69.3 ± 12.2(51.3-84.2) | 77.3 ± 10.5(55.6-87.5) | 0.727 |
Compensatory cranial curve(°) | 27.5 ± 5.4 (18-36) | 17.8 ± 4.3 (15–28) | 0.030 |
IM corr (%) | 68.4 ± 13.3(55.4-90.5) | 70.3 ± 14.2(62.1–91.3) | 0.546 |
Compensatory caudal curve (°) | 21.9 ± 4.9 (15-32) | 17.4 ± 4.1 (12-25) | 0.504 |
IM corr (%) | 63.1 ± 11.4(57.3-88.2) | 71.2 ± 12.1(55.6–92.1) | 0.421 |
Coronal balance(cm) | 0.3 ± 1.0(−1.2 to 1.6) | 0.4 ± 0.8(−1.3 to 1.5) | 0.590 |
Sagittal balance(cm) | 0.2 ± 1.1(−1.0 to 3.0) | 0.7 ± 1.2(−2.3 to 2.8) | 0.158 |
T5-12 kyphosis(°) | 32.7 ± 9.7(22-64) | 35.5 ± 9.8(27–58) | 0.359 |
L1-S1 lordosis(°) | −43.6 ± 7.2(36-59) | −46.5 ± 6.6(38–56) | 0.197 |
Final follow-up | |||
Segmental curve(°) | 33.2 ± 10.8(18-55) | 27.2 ± 6.4(12–50) | 0.065 |
Main curve(°) | 38.3 ± 11.2 (16-60) | 31.2 ± 6.1 (20–48) | 0.115 |
Final corr (%) | 65.4 ± 13.3(48.6-86.2) | 74.2 ± 11.7(52.3-84.2) | 0.724 |
Compensatory cranial curve(°) | 30.5 ± 6.2 (20-41) | 18.2 ± 5.5 (18–32) | 0.017 |
Final corr (%) | 64.7 ± 12.5(52.3-91.7) | 66.4 ± 10.9(55.8–93.8) | 0.437 |
Compensatory caudal curve(°) | 23.2 ± 4.1 (14-30) | 18.5 ± 6.2 (14–28) | 0.426 |
Final corr (%) | 58.3 ± 11.7(48.3-77.4) | 70.2 ± 12.5(53.4–90.2) | 0.512 |
Coronal balance(cm) | 0.4 ± 1.2(−1.4 to 1.2) | 0.2 ± 0.6(−1.3 to 1.7) | 0.768 |
Sagittal balance(cm) | 0.1 ± 1.4(−1.5 to 3.3) | 0.6 ± 1.4(−2.2 to 2.4) | 0.250 |
T5-12 kyphosis(°) | 34.2 ± 8.6(20-66) | 33.2 ± 7.8(26–60) | 0.334 |
L1-S1 lordosis(°) | 44.2 ± 5.8(38-61) | 43.5 ± 6.3(35–59) | 0.243 |