Summary of baseline demographics NR – Not reported; SD – Standard Deviation; CM- Cardiomyopathy; HTN – Hypertension; BMI – Body Mass Index; AF- Atrial Fibrillation; HR – Heart Rate; IHD – Ischemic Heart Disease; HF- Heart failure; CKD – Chronic Kidney Disease; eGFR – estimated glomerular filtration rate; NYHA – New York Heart Association; MWT – Metre Walk Test; BB- Beta-blocker; ARB – Angiotensin receptor Blocker; ACE-I – Angiotensin Converting Enzyme-Inhibitor; MRA- Mineralocorticoid receptor antagonist.