Table 1.

Results for the determination of thresholds for hepatocyte injury by linear regression on the means. The quantity MPa/f^½ is the estimated equivalent in situ Mechanical Index.

	MB Diameter	Intercept	Slope		Threshold	Threshold
Suspension	μm	count	count/MPa	r2	MPa	MPa/f½
Normal	1.8 ± 0.11	−666	402	0.96	1.7	1.3
Medium	3.1 ± 0.3	−395	299	0.99	1.3	1.0
Large	5.3 ± 0.4	−281	245	0.99	1.2	0.9