Abstract
Introduction
Methods and Results
Conclusions
Graphical abstract

Key Words
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- The SOLVD Investigators.N Engl J Med. 1992; 327: 685-691https://doi.org/10.1056/NEJM199209033271003
- The effect of carvedilol on morbidity and mortality in patients with chronic heart failure. U.S. Carvedilol Heart Failure Study Group.N Engl J Med. 1996; 334: 1349-1355https://doi.org/10.1056/NEJM199605233342101
- Effect of carvedilol on survival in severe chronic heart failure.N Engl J Med. 2001; 344: 1651-1658https://doi.org/10.1056/NEJM200105313442201
- Effect of enalapril on mortality and the development of heart failure in asymptomatic patients with reduced left ventricular ejection fractions.N Engl J Med. 1992; 327: 685-691https://doi.org/10.1056/NEJM199209033271003
- Group M-HS. Efficacy, safety and tolerability of beta-adrenergic blockade with metoprolol CR/XL in elderly patients with heart failure.Eur Heart J. 2004; 25: 1300-1309https://doi.org/10.1016/j.ehj.2004.05.022
- Age disparities in heart failure research.JAMA. 2010; 304: 1950-1951https://doi.org/10.1001/jama.2010.1592
American Heart Association. Heart failure projected to increase dramatically, according to new statistics. Available at:https://www.heart.org/en/news/2018/05/01/heart-failure-projected-to-increase-dramatically-according-to-new-statistics#:∼:text=The%20number%20of%20people%20diagnosed,in%20new%20window)%20published%20Wednesday
- The impact of frailty and comorbidities on heart failure outcomes.Card Fail Rev. 2022; 8: e07https://doi.org/10.15420/cfr.2021.29
- Results from post-hoc analyses of the CIBIS II trial: effect of bisoprolol in high-risk patient groups with chronic heart failure.Eur J Heart Fail. 2001; 3: 469-479https://doi.org/10.1016/s1388-984200174-x
- Randomized trial to determine the effect of nebivolol on mortality and cardiovascular hospital admission in elderly patients with heart failure (SENIORS).Eur Heart J. 2005; 26: 215-225https://doi.org/10.1093/eurheartj/ehi115
- Linking inpatient clinical registry data to Medicare claims data using indirect identifiers.Am Heart J. 2009; 157: 995-1000https://doi.org/10.1016/j.ahj.2009.04.002
- Relation of baseline systolic blood pressure and long-term outcomes in ambulatory patients with chronic mild to moderate heart failure.Am J Cardiol. 2011; 107: 1208-1214https://doi.org/10.1016/j.amjcard.2010.12.020
- A validated risk score for in-hospital mortality in patients with heart failure from the American Heart Association get with the guidelines program.Circ Cardiovasc Qual Outcomes. 2010; 3: 25-32https://doi.org/10.1161/CIRCOUTCOMES.109.854877
- Renal impairment and outcomes in heart failure: systematic review and meta-analysis.J Am Coll Cardiol. 2006; 47: 1987-1996https://doi.org/10.1016/j.jacc.2005.11.084
- Development and validation of a Hospital Frailty Risk Score focusing on older people in acute care settings using electronic hospital records: an observational study.Lancet. 2018; 391: 1775-1782https://doi.org/10.1016/S0140-673630668-8
- Frailty in older adults: evidence for a phenotype.J Gerontol A Biol Sci Med Sci. 2001; 56: M146-M156https://doi.org/10.1093/gerona/56.3.m146
- Frailty in relation to the accumulation of deficits.J Gerontol A Biol Sci Med Sci. 2007; 62: 722-727https://doi.org/10.1093/gerona/62.7.722
- The risk of adverse outcomes in hospitalized older patients in relation to a frailty index based on a comprehensive geriatric assessment.Age Ageing. 2014; 43: 127-132https://doi.org/10.1093/ageing/aft156
- A global clinical measure of fitness and frailty in elderly people.CMAJ. 2005; 173: 489-495https://doi.org/10.1503/cmaj.050051
- Overlap weighting: a propensity score method that mimics attributes of a randomized clinical trial.JAMA. 2020; 323: 2417-2418https://doi.org/10.1001/jama.2020.7819
- Balancing covariates via propensity score weighting.J Am Stat Assoc. 2018; 113: 390-400https://doi.org/10.1080/01621459.2016.1260466
- Long-term ACE-inhibitor therapy in patients with heart failure or left-ventricular dysfunction: a systematic overview of data from individual patients. ACE-Inhibitor Myocardial Infarction Collaborative Group.Lancet. 355. 2000: 1575-1581https://doi.org/10.1016/s0140-673602212-1
- The association between neurohormonal therapy and mortality in older adults with heart failure with reduced ejection fraction.J Am Geriatr Soc. 2021; 69: 2811-2820https://doi.org/10.1111/jgs.17310
- Association between beta-blockers and mortality and readmission in older patients with heart failure: an instrumental variable analysis.J Gen Intern Med. 2021; 36: 2361-2369https://doi.org/10.1007/s11606-021-06901-7
- Reasons for guideline nonadherence at heart failure discharge.J Am Heart Assoc. 2018; 7e008789https://doi.org/10.1161/JAHA.118.008789