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. Author manuscript; available in PMC: 2012 Oct 1.
Published in final edited form as: Spine (Phila Pa 1976). 2011 Oct 1;36(21):1772–1781. doi: 10.1097/BRS.0b013e318216337d

Table 4.

Results of stepwise hierarchical linear regression with percentage change in Oswestry as the dependent variable (n=48).

Variables Entered Adjusted R2 Significance of R2 Change Standardized Beta Coefficient (Final Model) Significance of Beta Coefficient
Step 1: 0.076 0.13
 age 0.21 0.19
 male sex 0.09 0.53
 BMI -0.61 0.002
 Met CPR 0.10 0.65

Step 2: 0.14 0.05
 Immediate change in global stiffness 0.34 0.024

Step 3: 0.21 0.047
 Initial terminal stiffness -0.32 0.047