BDKRB2 and heart failure: rs1799722 of BDKRB2 was significantly associated with HbA1c levels (p-value = 0.035), sodium (Na) level (p-value = 0.033), number of years with HTN (p-value = 0.046), ejection fraction (EF) (p-value = 0.03), and heart failure (p-value = 0.019).