TABLE II.

Statistics of the ESD results produced with each estimator for experimental phantom 1.

Without outlier removal
Estimator	5 MHz	7.5 MHz	10 MHz	13 MHz
1	96.4 ± 2.8 μm	86.8 ± 1.4 μm	61.9 ± 0.8 μm	42.5 ± 0.9 μm
2	93.2 ± 4.5 μm	88.6 ± 2.2 μm	93.3 ± 1.8 μm	52.4 ± 21.4 μm
3	88.5 ± 8.5 μm	92.0 ± 3.6 μm	92.3 ± 1.7 μm	70.1 ± 41.1 μm
With outlier removal (results from full dataset in parenthesis)
1	95.4 ± 1.6 μm (96.5 μm)	86.3 ± 0.7 μm (86.5 μm)	62.0 ± 0.5 μm (62.0 μm)	42.3 ± 0.6 μm (42.5 μm)
2	93.7 ± 3.1 μm (93.5 μm)	88.5 ± 1.1 μm (88.5 μm)	94.0 ± 0.9 μm (93.0 μm)	39.2 ± 1.8 μm (39.5 μm)
3	91.1 ± 6.1 μm (90.0 μm)	91.2 ± 2.1 μm (91.5 μm)	93.0 ± 1.0 μm (92.0 μm)	82.2 ± 2.7 μm (85.5 μm)