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Fig. 4A —Correlation of findings of 64-MDCT and intravascular
ultrasound (IVUS). Graphs show vascular cross-sectional area (CSA) (external
elastic membrane CSA) (A), luminal CSA (B), and plaque burden
(C) per section determined on 64-MDCT versus IVUS. Spearman's
correlation coefficients are r = 0.85, 0.82, and 0.77, respectively
(p < 0.01).