Skip to main content

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

From: Long-term results after Boston brace treatment in late-onset juvenile and adolescent idiopathic scoliosis

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)***
  1. Values are means (standard deviation).
  2. *** Significantly different from the other 2 groups (p < 0.001)
  3. ** Significantly different from the Brace group (p < 0.005)
  4. * Significantly different from the Brace group (p < 0.05)