Although patients with low n-6 PUFA level were older and had lower GNRI, systolic blood pressure, hemoglobin, eGFR, sodium, total cholesterol, albumin, EPA and DHA levels, and lower prevalence of statin use compared to those with high n-6 PUFA, there were no significant differences in New York Heart Association functional class, LVEF, etiology of HF and prevalence of hemodialysis among the tertiles. The gene discussed is ALB; the disease is hydrops fetalis.