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Comparison of Curve Severity Distribution Between Patients ≥18 Years Old (Skeletally Mature) and Patients <18 Years Old
| ≥18 Years Old (N = 67) | <18 Years Old (N = 416) | P Value | |
| Mean age and std. dev. (yr) | 19.3 ± 0.9 | 13.6 ± 2.2 | <0.001 |
| Cobb angle (no. of patients) | |||
| Overall (≥10°) | 35 (51%) | 170 (41%) | 0.080 |
| Mild (≥10° to <20°) | 25 (37%) | 128 (31%) | 0.285 |
| Moderate (≥20° to <30°) | 6 (9%) | 22 (5%) | 0.233 |
| Pronounced (≥30° to <45°) | 2 (3%) | 10 (2%) | 0.777 |
| Surgical candidate (≥45°) | 2 (3%) | 10 (2%) | 0.777 |
