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Table 4 Clinical and radiographic results.

From: Effectiveness of complete conservative treatment for adolescent idiopathic scoliosis (bracing and exercises) based on SOSORT management criteria: results according to the SRS criteria for bracing studies - SOSORT Award 2009 Winner

   Cobb degrees Angle of Trunk Rotation (ATR) Aesthetic Index (AI)
Sub-groups   Av Av I U W Av I U W
  Total braced -7.3 (8.4) * -3.4 (3.9) * 35% 65% 0 -1.6 (1.8) * 45% 52% 3%
  Exercises +1.5 (0.7) 2.0§ 0 100% 0 -1§ 0 100% 0
Curvature type Thoracic -6.3 (13.0) -2.4 (4.4) 43% 57% 0 -2.2 (1.9) * 55% 45% 0
  Thoracolumbar -8.8 (7.0) * -8.1 (2.0) * 100% 0 0 -1.0 (2.0) 25% 75% 0
  Lumbar -10.4 (3.7) * -2.5 (3.6) * 18% 82% 0 -1.0 (1.7) 42% 50% 8%
  Double major -2.8 (5.3) -3.1 (2.5) * 33% 67% 0 -1.7 (1.6) 50% 50% 0
Magnitude of curvature 25-30 -5.6 (7.6) * -2.5 (3.9) * 31% 69% 0 -1.2 (1.9) * 41% 53% 6%
  31-35 -9.7 (10.1) * -4.1 (4.3) * 40% 60% 0 -2.3 (1.6) * 60% 40% 0
  36-40 -6.3 (7.4) * -4.1 (3.4) * 40% 60% 0 -1.1 (1.4) 33% 67% 0
Skeletal maturity Risser 0 -6.6 (9.6) * -3.3 (3.9) * 26% 74% 0 -1.6 (2.1) * 45% 50% 5%
  Risser 1 -4.0 (5.7) -3.6 (3.5) 33% 67% 0 -1.5 (1.8) 40% 60% 0
  Risser 2 -9.7 (6.0) * -2.9 (4.6) 50% 50% 0 -1.4 (1.0) * 50% 50% 0
Treatment Risser cast -15.0 (26.9) -2.5§ 0 100% 0 -5§ 100% 0 0
  Brace 23 hours/day -6.4 (9.8) * -4.2 (3.5) * 33% 67% 0 -1.5 (1.7) * 33% 67% 0
  Brace 21 hours/day -7.5 (6.4) * -2.7 (4.5) * 38% 62% 0 -1.2 (1.8) * 50% 44 6%
  Brace 18 hours/day -6.6 (5.4) * -4.8 (2.0) 50% 50% 0 -2.2 (1.9) 67% 33% 0
  Exercises +1.5 (0.7) 2.0§ 0 100% 0 -1§ 0 100% 0
  1. Av: Average (Standard Deviation); I: Improved; U: Unchanged; W: Worsened; ATR: Angle of Trunk Rotation according to Bunnel; AI: Aesthetic Index. *: Statistically significant difference, paired t-test pre-post treatment; §: Only one patient.
  2. Average improvements were statistically significant in nearly all parameters. Generally speaking, the double-major and thoracic curvatures had the worst results, while the Risser cast and exercise sub-groups were too small to allow any statistical analysis. These treatments are generally used in curvatures which are respectively greater and lower than those considered in this population, where they have been present because of the evidence-based clinical practice approach used in this study.