The ORs of epilepsy for one standard deviation increases of the iron status biomarkers were 1.15 (95% CI, 1.02, 1.29) for serum iron, 1.37 (95% CI, 1.05, 1.80) for serum ferritin, and 1.12 (95% CI, 1.03, 1.21) for serum transferrin saturation. The gene discussed is TF; the disease is epilepsy.