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Receiver-operator characteristic curves of a body shape index (ABSI) and body mass index (BMI) for patients with a low quartile of flow-mediated vasodilation (FMD) in men (A) and in women (B). Low quartile of FMD indicates less than 3.6% in men and less than 3.1% in women. P values indicate the differences in areas under the curves between ABSI and BMI to predict a low quartile of FMD. ABSI a body shape index, BMI body mass index, AUC area under the curve, CI confidence interval.
