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Fig. 6 —Ninety-five percent mean diamond plots of aortic attenuation (H) for low- and high-body mass index (BMI) groups. Mean aortic attenuation of low-BMI group (352.6 ± 59.1 H) was significantly higher (p < 0.001) than that of high-BMI group (286.2 ± 55.5 H). + = low-BMI group (BMI < 30), o = high-BMI group (BMI 30). Horizontal line is grand mean. Heights of diamonds represent 95% CIs and widths of diamonds are proportional to sample sizes.