Variability in Ultrasound Backscatter Induced by Trabecular Microstructure Deterioration in Cancellous Bone

Table 2

Linear fitting for the ultrasonic backscatter parameters (ABC and AIB) versus the porosity of the three erosion procedures perpendicular and parallel to .

	Perpendicular to MTD			Parallel to MTD
	Procedure A	Procedure B	Procedure C	Procedure A	Procedure B	Procedure C
ABC
Intercept (dB)	51.59	31.16	0.02	96.27	13.10	285
Slope (dB)	−1.22	−0.98	−0.46	−1.87	−0.69	−0.51
AIB
Intercept (dB)	34.23	28.85	0.78	44.82	16.21	5.94
Slope (dB)	−0.74	−0.69	−0.25	−0.90	−0.50	−0.34

of the values are below 0.01.