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Figure 1 Distribution of Circulating ADMA Concentrations

(A) Distribution of circulating asymmetric dimethylarginine (ADMA) concentrations in a cohort of 98 clinically healthy ambulatory subjects. Vertical lines indicate the median (solid line), which was 0.39 µmol/l, and the 25th and 75th percentiles (dashed lines; 0.35 µmol/l and 0.48 µmol/l, respectively). (B) Asymmetric dimethylarginine levels in study participants. Mean and SD in the 2 groups are marked by a horizontal bar and vertical line, respectively. Each subject is represented by a circle. In panel B, filled circles indicate subjects with high ADMA and unfilled circles indicate subjects with low ADMA.