Table II.

Univariable logistic regression for prediction of curve progression.

Parameters	Odds ratio (95% CI)	p-value
Baseline Cobb angle	1.024 (0.981 to 1.068)	0.273
T5-T12 kyphosis	0.998 (0.967 to 1.029)	0.884
L1-S1 lordosis	1.005 (0.980 to 1.030)	0.704
SS	1.024 (0.993 to 1.056)	0.130
PI	1.016 (0.991 to 1.040)	0.207
PT	0.985 (0.948 to 1.024)	0.456
SVA	0.983 (0.959 to 1.007)	0.168
Shoulder height difference	1.019 (0.964 to 1.077)	0.502
Truncal shift	0.994 (0.957 to 1.032)	0.737
C7-CSVL	0.999 (0.944 to 1.123)	0.933
T1 tilt	1.029 (0.947 to 1.126)	0.513
Curve type	2.050 (1.026 to 4.096)	0.042
Apical vertebra wedging	1.146 (1.006 to 1.306)	0.040
Upper disc angulation	1.009 (0.904 to 1.126)	0.873
Lower disc angulation	1.025 (0.918 to 1.146)	0.659
Apical ratio	0.918 (0.478 to 1.761)	0.796
Flexibility	0.956 (0.934 to 0.978)	< 0.001
Correction rate	0.951 (0.931 to 0.971)	< 0.001
Age	0.797 (0.599 to 1.061)	0.120
Menarche status	0.361 (0.163 to 0.802)	0.012
Standing height	0.974 (0.928 to 1.023)	0.292
Sitting height	0.917 (0.854 to 0.984)	0.016
Arm span	0.993 (0.978 to 1.008)	0.367
Weight	0.961 (0.911 to 1.014)	0.151
BMI	0.909 (0.772 to 1.074)	0.262
Risser stage	0.588 (0.421 to 0.822)	0.002
Radius grade	0.566 (0.376 to 0.852)	0.006
Ulna grade	0.496 (0.312 to 0.789)	0.003
Thoracic rib hump	1.064 (0.947 to 1.195)	0.295
Lumbar rib hump	1.006 (0.889 to 1.138)	0.930
Mean compliance	0.888 (0.837 to 0.943)	< 0.001

CI, confidence interval; CSVL, central sacral vertical line; PI, pelvic incidence; PT, pelvic tilt; SS, sacral slope; SVA, sagittal vertical axis.