NPPB and coronary artery disorder: Importantly, however, using the sub‐cohort adjusted stratified multivariable Cox model including NT‐proBNP, haemoglobin levels, presence of coronary artery disease and age revealed that LOY remained an independent predictor of mortality preferentially in patients with HFrEF, whereas statistical significance was narrowly missed in patients with an LVEF ≥50% (Figure 3C).