Older age (p = 0.022), lower body mass index (p < 0.001), history of HF (p = 0.023), SBP (p = 0.012), high-sensitivity troponin T (p = 0.025), and NT-proBNP (p = 0.002) were also significant predictors of all-cause mortality. The gene discussed is NPPB; the disease is hydrops fetalis.