In comparison to the low MELD-XI score group, participants in the high MELD-XI score group were older, had a higher proportion of males, and had greater HF severity (i.e., higher New York Heart Association [NYHA] classification and BNP) and higher creatinine (Cr), Total bilirubin (T-bil), and prothrombin time-international normalized ratio (PT-INR), and fewer subjects were current smokers. The gene discussed is F2; the disease is hydrops fetalis.