Table 2.
Univariate analysis | Multivariate analysis | |||
---|---|---|---|---|
Hazard ratio (95% confidence interval) | P values | Hazard ratio (95% confidence interval) | P values | |
All‐cause death | ||||
Low CFS group | Reference | Reference | ||
Intermediate CFS group | 2.12 (1.35–3.31) | 0.001 | 1.43 (0.86–2.36) | 0.16 |
High CFS group | 5.73 (3.69–8.89) | <0.001 | 3.90 (2.32–6.55) | <0.001 |
Rehospitalization for heart failure | ||||
Low CFS group | Reference | Reference | ||
Intermediate CFS group | 1.53 (1.11–2.10) | 0.01 | 1.52 (1.04–2.21) | 0.03 |
High CFS group | 2.96 (2.08–4.22) | <0.001 | 2.44 (1.60–3.74) | <0.001 |
CFS, Clinical Frailty Scale.
Adjusted variables were as follows: age; sex; body mass index; left ventricular ejection fraction; current smoking status; a history of heart failure (whether or not a de novo case), diabetes, and chronic obstructive pulmonary disease; systolic blood pressure; haemoglobin; estimated glomerular filtration rate; prescription of angiotensin‐converting enzyme inhibitor or angiotensin receptor blocker, beta‐blocker, and mineralocorticoid receptor antagonist; and New York Heart Association Class III/IV at discharge.