Fig. 4From: Genetic support of a causal relationship between iron status and atrial fibrillation: a Mendelian randomization studyScatter plots for MR analyses of the causal effect of iron status on AF in initial practice. A Iron-AF. B Log10 Ferritin-AF. C Saturation-AF. D Transferrin-AF. The slope of each line corresponds to the estimated MR effect per methodBack to article page