| Before the operation | After reduction | P-valuea | 3 days after the operation | P-valueb | 3 months after the operation | P-valuec | 12 months after the operation | P-valued |
---|---|---|---|---|---|---|---|---|---|
anterior height (mm) | 20.56 ± 3.74 | 29.53 ± 2.53 | 0.000* | 29.88 ± 2.52 | 0.000* | 28.36 ± 1.93 | 0.000* | 27.96 ± 0.72 | 0.001* |
middle height (mm) | 20.36 ± 4.20 | 27.54 ± 1.00 | 0.000* | 27.70 ± 2.01 | 0.000* | 27.05 ± 2.45 | 0.000* | 26.83 ± 2.45 | 0.001* |
AVBHr (%) | 63.09 ± 8.91 | 97.22 ± 7.38 | 0.000* | 97.54 ± 5.08 | 0.000* | 96.46 ± 3.87 | 0.000* | 94.89 ± 4.21 | 0.000* |
HVBHr (%) | 68.97 ± 8.43 | 97.34 ± 4.85 | 0.000* | 97.40 ± 6.11 | 0.000* | 96.05 ± 5.21 | 0.000* | 93.11 ± 3.22 | 0.000* |
Cobb angle(°) | 11.80 ± 1.44 | 2.46 ± 1.00 | 0.000* | 2.72 ± 0.70 | 0.000* | 3.03 ± 0.65 | 0.000* | 4.34 ± 0.56 | 0.001* |