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. Author manuscript; available in PMC: 2015 May 28.
Published in final edited form as: J Orthop Res. 2012 Oct 23;31(3):441–447. doi: 10.1002/jor.22246

Table 1.

Intraclass Correlation Coefficients for static Magnetic Resonance Imaging-based Surrogates.

Parameter PTA BO LPD SIS APS RF Q-angle
Inter 0.995 0.985 0.979 0.990 0.948 0.985
Intra 0.993 0.980 0.968 0.992 0.953 0.989

Abbreviations: PTA= patellar tilt angle; BO= Bisect Offset; LPD, APS and SIS= The medial-lateral, anterior-posterior, and superior-inferior location of the patellar origin relative to the femoral origin (static); RF-Q angle= The rectus femoris quadriceps angle.