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Fig. 3 —Graph shows medians (z) and means (bars) of
variability of Agatston score. Vertical lines show range: mean + SD
(top) and mean -SD (bottom). Helical CT shows lower
variability than axial CT; 0.625-mm helical CT showed lowest variability. Use
of thin-slice images and overlapping reconstruction improves reproducibility.
EBCT = electron beam CT.
