NPPB and cyclic hematopoiesis: In the CH and EH subgroups, log-transformed BNP was significantly associated with LVGLS (rCH=0.496, P = 0.000; rEH=0.624, P <0.001), but not with LVEF (rCH=-0.1, P = 0.255; rEH=-0.09, P = 0.285) (Fig. 1).