Serum potassium decline during hospitalization for acute decompensated heart failure is a predictor of 6-month mortality, independent of N-terminal pro-B-type natriuretic peptide levels: An individual patient data analysis

Acute Disease; Aged; Aged, 80 and over; Biomarkers; Cause of Death; Disease Progression; Female; Follow-Up Studies; Heart Failure; Humans; Hypokalemia; Italy; Male; Middle Aged; Natriuretic Peptide, Brain; Netherlands; Peptide Fragments; Potassium; Prognosis; Prospective Studies; Survival Rate; Time Factors; Hospitalization; Cardiology and Cardiovascular Medicine; Medicine (all)