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. Author manuscript; available in PMC: 2013 Mar 14.
Published in final edited form as: J Appl Biomech. 2012 Aug;28(4):366–373. doi: 10.1123/jab.28.4.366

Table 6.

Hierarchical binary logistic regression using variables collected after the preoperative intervention

Percent Correct
Steps Step p Value Model p Value Odds Ratio Nagelkerke R2 Fail Pass Overall
Age 0.008 <0.008 0.91 0.225 73 63 68
Age and QI 0.028 <0.003 1.066 0.358 82 56 69
Age, QI, KFM 0.042 <0.001 219.254 0.46 82 69 76

Abbreviations: QI = quadriceps index; KFM = knee flexion moment.