Skip to main content
. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: IEEE Trans Ultrason Ferroelectr Freq Control. 2019 Mar 5;66(5):867–875. doi: 10.1109/TUFFC.2019.2903010

Table I.

ACE OF PHANTOM 1* (DB/cM/MHz)

Trial Vantage-Unfocused LE9-Focused
With
constraints		 Without
constraints		 With
constraints		 Without
constraints
1 0.68 0.68 0.68 0.69
2 0.71 0.72 0.67 0.70
3 0.69 0.69 0.69 0.72
4 0.68 0.68 0.71 0.68
5 0.69 0.73 0.67 0.64
Mean 0.69 0.70 0.68 0.69
STD 0.01 0.02 0.02 0.03
*

Fibroscan-calibrated value: a=0.68dB/cm/MHz. Two-tailed t-test between Vantage and LE9 measurements with constrains: p=0.59. Histogram generated constrains: Vantage system, [amin amax] =[0.46 0.98] dB/cm/MHz; GE system, [amin amax] =[0.50 0.90] dB/cm/MHz.