Table 2.

Contrast Measurements (6 mm Targets)

Type	qEI	MTL-SWEI	STL-SWEI	ARFI
I	−0.76 ± 0.04	−0.62 ± 0.01	−0.67 ± 0.01	−0.52 ± 0.01
II	0.55 ± 0.12	0.37 ± 0.05	0.43 ± 0.01	0.42 ± 0.01
III	1.57 ± 0.09	1.31 ± 0.12	1.48 ± 0.07	1.53 ± 0.10
IV	1.82 ± 0.06	1.52 ± 0.12	1.74 ± 0.07	2.14 ± 0.10