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. Author manuscript; available in PMC: 2020 Nov 1.
Published in final edited form as: Spine Deform. 2019 Nov;7(6):890–898.e4. doi: 10.1016/j.jspd.2019.01.011

Appendix Table 2.

Unadjusted Relationship between Baseline Characteristics and Risk of Poor Prognosis in the BrAIST Sample (n=115)

Variable Unadjusted OR (95% CI*) p-value
Age 0.66 (0.48, 0.91) 0.01
Sex
Female Ref.
Male 2.00 (0.64, 6.27) 0.23
Sanders Maturity Stage 1-2 Ref.#
3 0.23 (0.08, 0.68) <0.01
≥4 0.06 (0.02, 0.17) <0.01
Curve Classification
Thoracic Ref.
Thoracolumbar or Lumbar 0.64 (0.18, 2.24) 0.48
Thoracic with Thoracolumbar or Lumbar 2.00 (0.77, 5.23) 0.16
Double Thoracic 1.02 (0.22, 4.72) 0.98
Triple 2.55 (0.52, 12.55) 0.25
Thoracic Apex (1 or more) Ref.
No
Yes 2.51 (0.87, 7.24) 0.09
Triradiate cartilage Ref.
Closing
Open 4.72 (1.81, 12.32) <0.01
Maximum Cobb Angle 1.17 (1.09, 1.26) <0.01
*

Wald confidence intervals

#

indicates the reference level of the variable for odds ratio calculation