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. Author manuscript; available in PMC: 2012 Aug 7.
Published in final edited form as: Phys Med Biol. 2011 Jul 6;56(15):4701–4713. doi: 10.1088/0031-9155/56/15/005

Table 3.

Average absolute bifurcation error in LR, AP, SI, and vector values (Dimensions in mm).

Average absolute error (mm) ± SD
Linear Tetrahedral Quadratic Tetrahedral
LGEOM NLGEOM LGEOM NLGEOM
LR Direction 0.91 (± 0.76) 0.94 (± 0.78) 0.91 (± 0.74) 0.94 (± 0.77)
AP Direction 1.34 (± 1.14) 1.34 (± 1.14) 1.35 (± 1.13) 1.36 (± 1.15)
SI Direction 1.89 (± 1.64) 1.84 (± 1.65) 1.88 (± 1.64) 1.85 (± 1.69)
Vector 2.81 (± 1.71) 2.82 (± 1.73) 2.83 (± 1.72) 2.83 (± 1.81)