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Table 2 Demographic, radiographic, and clinical data

From: Low back pain and patient-reported QOL outcomes in patients with adolescent idiopathic scoliosis without corrective surgery

  Group P (VAS >30 mm, n = 16) Group N (VAS ≤30 mm, n = 82) p
Age 15.4 ± 2.3 14.6 ± 2.0 0.190*
Risser grade (0–5) 3.9 ± 1.2 3.5 ± 1.4 0.168*
Cobb angle (°)
 Main thoracic 36.1 ± 11.4 32.0 ± 14.3 0.343*
 Thoracolumbar/lumbar 32.1 ± 14.8 27.5 ± 9.0 0.381*
 Major curve 40.9 ± 12.8 35.5 ± 11.8 0.145*
Location of major curve (thoracic:thoracolumbar/lumbar) 12:4 52:30 0.567**
Apical vertebral translation (mm)
 Main thoracic 28.2 ± 15.5 22.7 ± 16.5 0.180*
 Thoracolumbar/lumbar 18.8 ± 14.7 18.2 ± 13.2 0.939*
T1 tilt (°) 3.4 ± 3.4 3.7 ± 3.8 0.826*
L4 tilt (°) 12.1 ± 8.3 10.2 ± 5.6 0.596*
C7-CSVL (mm) 15.3 ± 9.7 12.8 ± 8.9 0.244*
Thoracic kyphosis (°) 22.0 ± 10.6 21.0 ± 11.6 0.600*
Lumbar lordosis (°) −50.8 ± 16.9 −49.6 ± 10.7 0.471*
Pelvic incidence (°) 43.3 ± 11.0 43.2 ± 9.1 0.965*
Pelvic tilt (°) 11.9 ± 8.4 10.6 ± 8.0 0.623*
SVA (mm) 19.1 ± 11.0 19.8 ± 16.9 0.900*
Brace treatment (y:n) 2:14 21:61 0.345**
  1. Values are expressed as the means ± standard deviations.
  2. C7-CSVL indicates the distance between the C7 plumb line and central sacral vertical line.
  3. SVA indicates the distance between the C7 plumb line and posterosuperior corner of S1.
  4. * Mann–Whitney’s U test.
  5. ** Fisher’s exact probability test.