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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.
