Funnel plots of reported associations between ADMA and cardiovascular outcomes. The dotted lines show pseudo 95% confidence intervals around the overall pooled estimate. P values are from Egger’s asymmetry test of associations. ADMA indicates asymmetric dimethylarginine; ALERT, Assessment of Lescol in Renal Transplantation Study; BECAC, Bergen coronary angiography cohort; BRUNECK, Bruneck Study; CHD, coronary heart disease; CREED, Cardiovascular Risk Extended Evaluation in Dialysis; CVD, cardiovascular disease; DHS, Dallas Heart Study; GetABI, German Epidemiological Trial on Ankle Brachial Index; KAROLA, Langzeiterfolge der KARdiOLogischen Anschlussheilbehandlung; KVINNOSTUDIEN, Kvinnostudien Population Study of Women in Gothenburg; MDC, Malmö Diet and Cancer Cardiovascular Cohort; MDRD, Modification of Diet in Renal Disease Study; MONICA/KORA, Monitoring of Trends and Determinants in Cardiovascular Disease Augsburg; PAD, peripheral arterial disease; RR, risk ratio; SDC, Steno Diabetes Center.