Relationship between 6-month all-cause mortality and the three types of heart failure adjusted for age ≥75 years, peripheral edema at admission, systolic blood pressure (SBP) <115 mm Hg, hyponatraemia (sodium levels <135 mmol/L) and serum urea levels ≥15 mmol/L. Relationship between 6-month all-cause mortality and the three types of heart failure adjusted for age ≥75 years, peripheral edema at admission, systolic blood pressure (SBP) <115 mm Hg, hyponatraemia (sodium levels <135 mmol/L) and serum urea levels ≥15 mmol/L. HFmrEF, heart failure with mid range ejection fraction; HFpEF, heart failure with preserved ejection fraction; HFrEF, heart failure with reduced ejection fraction. Khibar Salah et al. Heart 2019;105:1182-1189 Copyright © BMJ Publishing Group Ltd & British Cardiovascular Society. All rights reserved.