Table 3 Baseline characteristics in 272 Boston braced patients with late-onset juvenile or adolescent idiopathic scoliosis at mean follow-up of 24.7 years
Characteristic | Brace n = 215 | Brace and surgery n = 25 | Brace and major curve ≥ 45° at follow-up n = 32 |
|---|---|---|---|
Age at start of brace treatment (years) | 13.2 (1.8) | 11.4 (2.3)*** | 13.8 (1.4) |
Bone age at start brace treatment (years) | 12.7 (1.8) | 10.7 (2.1)*** | 12.9 (1.1) |
Age at menarche (years) | 13.3 (1.2) | 13.8 (1.0) | 13.9 (1.2)* |
Age at weaning (years) | 15.8 (1.4) | 14.4 (1.6)*** | 16.6 (1.5)** |
Bone age at weaning (years) | 15.3 (1.1) | 13.9 (1.8)*** | 15.4 (1.2) |
Major curve at start brace treatment (°) | 31.6 (6.1)*** | 39.8 (8.3) | 37.6 (6.5) |
Major curve at weaning (°) | 25.1 (8.2)*** | 46.0 (7.1)*** | 37.3 (7.0)*** |
Age at operation (years) | 15.8 (2.8) | ||
Major curve at long-time follow-up (°) | 29.2 (9.4) | 32.0 (12.9) | 55.0 (8.7)*** |