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| Variable | Age ≤ 15 yr (n = 55) | Age > 15 yr (n = 32) | 95% CI of difference | p-value |
|---|---|---|---|---|
| Preoperative Cobb angle (°) | 15.4 ± 4.1 | 15.7 ± 4.6 | −02.2 to 1.6 | 0.762 |
| Last follow-up Cobb angle (°) | 5.5 ± 3.5 | 10.6 ± 5.5 | −07.2 to −02.9 | < 0.001 |
| Improvement Cobb angle (°) | 9.9 ± 3.6 | 5.2 ± 3.9 | 3.1 to 6.4 | < 0.001 |
Values are presented as mean ± standard deviation.
CI: confidence interval.
