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Figure 4


Fig. 4 —Graph showing scan delay after trigger-versus-mean spleen-to-liver contrast curve. Spleen-to-liver contrast in first phase had peak at 10 to 20 seconds and began to reduce at 25 seconds. Mean spleen-to-liver contrast was higher at 10-15 seconds than at 5 seconds (p < 0.001). 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.