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Fig. 2 —Visual grading of cardiac motion artifacts in cardiac border,
bronchi, vessels, and fissure on 0.3-second (gray bars) and
0.75-second (black bars) high-resolution CT (HRCT) images. Difference
in visual grade for each anatomic structure between 0.3-second and 0.75-second
HRCT images was significant (p < 0.001). Difference in total
visual grade of all evaluated anatomic structures between 0.3-second images
(15.4 ± 1.2) and 0.75-second images (7.6 ± 2.5) was significant
(p < 0.001).
