Statistical differences were observed in age, gender, race, educational level, PIR, heavy alcohol drinking, energy intake, heart disease, dyslipidemia, CKD, height, weight, body mass index, diastolic blood pressure, albumin, creatinine, uric acid, anticoagulants, antiplatelet agents, stroke, and all-cause mortality between the blood selenium < 192.96 ug/L and the blood selenium ≥192.96 ug/L groups (all P < 0.05). This evidence concerns the gene ALB and metabolic syndrome.