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. Author manuscript; available in PMC: 2015 Apr 1.
Published in final edited form as: Ultrasound Med Biol. 2014 Jan 10;40(4):788–803. doi: 10.1016/j.ultrasmedbio.2013.11.003

Table 2.

Results of phantom elasticity test comparing the effect on model correction of the assumption of a 1:1 tumor:bulk stiffness ratio against the known 9:1 stiffness ratio from material testing

1:1 Stiffness ratio
9:1 Stiffness ratio
MHD error (mm) Centroid error (mm) MHD error (mm) Centroid error (mm)
B-mode (n = 178) 1.9 ± 0.6 2.0 ± 0.9 1.8 ± 0.8 2.2 ± 1.0
Strain (n = 83) 2.0 ± 0.5 3.0 ± 0.9 1.9 ± 0.5 3.1 ± 0.9