| ACE-I | angiotensin-converting enzyme inhibitor |
| ADHF | acute decompensated heart failure |
| Alb | albumin |
| ARB | angiotensin II receptor blocker |
| ARNI | angiotensin receptor neprilysin inhibitor |
| BNP | B-type natriuretic peptide |
| BUN | blood urea nitrogen |
| eGFR | estimated glomerular filtration rate |
| GNRI | geriatric nutritional risk index |
| Hb | hemoglobin |
| HF | heart failure |
| HR | hazard ratios |
| LVEF | left ventricular ejection fraction |
| MMSE | mini-mental state examination |
| NARA-LOGEVITY | Nara Longevity Registry and Analyses |
| SGLT2 | sodium-glucose cotransporter 2 |