Research Article

Predicting Adolescent Idiopathic Scoliosis among Chinese Children and Adolescents

Table 2

Association between potential risk factors and AIS among Chinese children and adolescents ().

VariablesAIS: model 1aAIS: model 2b
OR95% CIAOR95% CI

Gender
 Boys1.001.00
 Girls3.262.69-3.96<0.0011.881.43-2.48<0.001
Age (1-year increase)1.141.08-1.19<0.0011.091.02-1.170.016
Shoulder-height difference
 Normal1.001.00
 Left shoulder height6.564.92-8.74<0.0012.981.88-4.72<0.001
 Right shoulder height9.816.93-13.89<0.0014.172.49-7.01<0.001
Scapular tilt
 Normal1.001.00
 Tilt to the left11.718.89-15.41<0.0012.231.43-3.46<0.001
 Tilt to the right16.5511.75-23.30<0.0012.531.53-4.16<0.001
Lumbar concave
 Normal1.001.00
 Left concave10.567.09-15.72<0.0012.611.55-4.40<0.001
 Right concave9.156.62-12.66<0.0012.671.77-4.03<0.001
Pelvic tilt
 Normal1.001.00
 Tilt to the left3.662.26-5.94<0.0010.430.23-0.810.009
 Tilt to the right12.606.91-22.99<0.0011.830.91-3.710.093
Flat back
 Normal1.001.00
 Abnormal4.590.99-21.320.0521.390.25-7.890.707
Thoracic kyphosis
 Normal1.001.00
 Abnormal3.821.82-8.03<0.0011.480.62-3.570.381
Lumbar kyphosis
 Normal1.001.00
 Abnormal0.510.09-2.770.4310.320.04-2.590.282
Angle of thoracic rotation
 Normal (ATR: 0-5°)1.001.00
 Rotate to the left ()7.554.50-12.66<0.0015.182.85-9.44<0.001
 Rotate to the right ()14.419.34-22.23<0.00110.066.11-16.56<0.001
Angle of thoracolumbar rotation
 Normal (ATR: 0-5°)1.001.00
 Rotate to the left ()5.112.47-10.57<0.0017.223.18-16.38<0.001
 Rotate to the right ()3.601.96-6.60<0.0014.672.28-9.55<0.001
Angle of lumbar rotation
 Normal (ATR: 0-5°)1.001.00
 Rotate to the left ()7.255.38-9.77<0.0016.974.84-10.05<0.001
 Rotate to the right ()8.525.09-14.26<0.0018.094.46-14.68<0.001

Abbreviations: AIS: adolescent idiopathic scoliosis; OR: odds ratio; AOR: adjusted odds ratio; CI: confidence interval; ATR: angle of trunk rotation. aModel 1 is a univariate logistic regression model. bModel 2 is a multivariate logistic regression model.