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Table 1 Frequency of symmetry and asymmetry in boys.

From: Trunk asymmetry in juveniles

   Symmetry 1 -1 2 -2 Missing Total
Thoracic N 1209 264 142 11 3 16 1645
  % 74.22 16.21 8.72 0.68 0.18   100.00
Thoraco – lumbar N 1155 275 168 22 9 16 1645
  % 70.90 16.88 10.31 1.35 0.55   100.00
Lumbar N 1118 302 169 28 12 16 1645
  % 68.63 18.54 10.37 1.72 0.74   100.00
  1. Scoliometer readings are obtained at standing forward bending position. 1: mild right asymmetry (ATR 1–6°), 2: severe right asymmetry (ATR ≥ 7°), -1 mild left asymmetry (ATR 1–6°), -2: severe left asymmetry (ATR ≥ 7°).