Group | n | Time in Halo-femoral traction(days) | Initial Coronal Cobb Angle (°) | Thoracic Kyphosis (T5–T12,°) | Curve Correction With Bending film(%) | Cobb Correction After Halo-Femoral Traction (%) | Cobb Correction After Posterior Fusion(%) | Thoracic Kyphosis correction After Posterior Fusion (T5–T12, %) | Loss of Correction (Coronal%) | Loss of Correction (Sagittal%) |
---|---|---|---|---|---|---|---|---|---|---|
IS | 30 | 22 ± 6.3 | 91.6 ± 20.1 | 50.6 ± 18.4 | 24.3 ± 8.2 | 39.3 ± 6.24 | 57.5 ± 8.37 | 33.7 ± 12.8 | 2.9 ± 2.3 | 2.3 ± 2.1 |
CS | 30 | 25 ± 9.4 | 95.7 ± 24.5 | 70.2 ± 34.3 | 22.5 ± 11.7 | 35.3 ± 7.27 | 45.2 ± 8.97 | 43.5 ± 14.2 | 3.2 ± 2.1 | 2.5 ± 1.9 |
t | - | -0.25 | -0.27 | -2.21 | 1.34 | 1.36 | 4.15 | -2.59 | -0.73 | -1.38 |
p | - | 0.64 | 0.81 | 0.041* | 0.19 | 0.18 | <0.001* | 0.016* | 0.28 | 0.18 |