Table 3.

^a Total US-CT agreement scores before and after use of US contrast agent at four escalating doses

Subject	Pre-contrast Score	Post-contrast Score	% Change
Cohort 1: Dose Level = 0.175 mL/m2
1	62	67	8.1%
2	74	77	4.1%
3	68	67	−1.5%
Cohort 2: Dose Level = 0.200 mL/m2
b4	47	52	10.6%
5	67	70	4.5%
b6	59	62	5.1%
Cohort 3: Dose Level = 0.275 mL/m2
7	68	66	−2.9%
8	68	64	−5.9%
b9	60	61	1.7%
Cohort 4: Dose Level = 0.350 mL/m2
10	70	75	7.1%
11	68	68	0%
12	60	67	11.7%

^aSum of individual parameter US-CT agreement scores for three reviewers for each subject.

^bThe score does not include data for tumor appearance which could not be evaluated due to technical factors.