The Lactobacillus level, being male, and LVEF were negatively associated with the occurrence of an all-cause death, while age, history of MI, systolic blood pressure, heart rate, BNP level, and UA were positively associated with the occurrence of an all-cause death (all, p < 0.05, Table 3 and Figure 1D). Here, NPPB is linked to myocardial infarction.