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. Author manuscript; available in PMC: 2012 Dec 1.

Published in final edited form as: Ultrasound Med Biol. 2011 Oct 2;37(12):2096–2104. doi: 10.1016/j.ultrasmedbio.2011.08.008

Table 2.

Percent errors from effective attenuation coefficients results

	Maximum percent error		Mean percent error
	Least squares	RPM	Least squares	RPM
Phantom 3	6.3 %	5.3%	1.8%	2.0%
Phantom 4	16.2%	27.9%	9.1%	12.5%