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. Author manuscript; available in PMC: 2013 Sep 18.

Published in final edited form as: Phys Med Biol. 2010 Oct 28;55(22):6801–6815. doi: 10.1088/0031-9155/55/22/013

Table 6.

LEI shear stiffness modulus for the isotropic and direction-dependent phantoms.

		Mean shear stiffness (kPa)

Phantom		D1	D2	D3
Isotropic phantom	BG	4.59 (SD^a 1.12)	3.82 (SD 2.06)	2.53 (SD 0.97)
	I	12.63 (SD 5.79)	12.06 (SD 3.38)	13.65 (SD 12.92)
Orthotropic phantom	BG i^b	4.12 (SD 1.03)	4.04 (SD 1.40)	5.84 (SD 3.01)
	BG o ^b	2.96 (SD 0.96)	3.38 (SD 1.55)	3.70 (SD 1.82)
	I	3.94 (SD 1.85)	5.07 (SD 2.51)	5.86 (SD 4.11)

^a

SD = standard deviation

^b

i = inner, o = outer background regions relative to the ring shaped inclusion.