. Author manuscript; available in PMC: 2014 Nov 23.

Published in final edited form as: Proc SPIE Int Soc Opt Eng. 2013 Feb 9;8675:86751E. doi: 10.1117/12.2007146

Table 5.

Average Sound Speed of Patients Showing a Decrease in Sound Speed

	Measurement	Baseline Average (km/s)	Second Scan Average (km/s)	Third Scan Average (km/s)	Change from Baseline(m/s)

Patients With Two Scans (n=8)	WVSS	1.4571	1.4505	N/A	−6.6
	CVSS	1.4569	1.4480	N/A	−8.9
	DRWVSS	1.4587	1.4524	N/A	−6.3
	DRCVSS	1.4581	1.4490	N/A	−9.1

Patients With Three Scans (n=7)	WVSS	1.4560	1.4491	1.4505	−5.5
	CVSS	1.4544	1.4482	1.4484	−6.0
	DRWVSS	1.4543	1.4494	1.4494	−4.9
	DRCVSS	1.4544	1.4482	1.4486	−5.8

WVSS – whole volume sound speed; CVSS – common volume sound speed; DRWVSS – donut removed whole volume sound speed; DRCVSS – donut removed common volume sound speed