TABLE III.

Summary of Parameters for Backscatter Coefficient (BSC) Analysis Used by Each Ultrasound System.

	Analysis window size		Analysis window overlap
Ultrasound system	Axial	Lateral	Axial	Lateral	Scan lines employed
Ultrasonix Sonix RP	15 λ	15 λ	50%	50%	All scan lines – 0.15 mm spacing
Zonare Z.one	5 pulse lengths (0.847 mm for the L14–5sp and 0.524 mm for the L8–3)	30 scan lines (2.57 to 4.78 mm)	90%	90%	Every second scan line – decorrelated to 20%
Siemens Acuson S2000	4 mm	4 mm	90%	90%	All scan lines – 3.8 decorrelated pulse widths in analysis window
Laboratory	15 λ	15 λ	75%	75%	All scan lines – 1/4 λ line spacing for each transducer