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Fig. 6B —Graph showing results of prospective qualitative image review. Mean degree of liver parenchyma increased constantly at 5-30 seconds and peaked at 45 seconds. It was higher at 15 seconds than at 5 seconds (p < 0.05) and higher at 30 seconds than at 20 seconds (p < 0.05). Mean degree of splenic enhancement moiré pattern was high at 5-15 seconds. Mean moiré degree was significantly higher at 20 seconds than at 30 seconds (p < 0.05). Note that x-axis is indicative not of time course (repeated measurement) but of three different subgroups with different imaging delays, comprising 57 patients each. Error bars = standard errors of means.