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Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure
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Cutoff Value of Phase Angle by Bioelectrical Impedance Analysis at Admission as a Prognostic Factor in Patients with Acute Heart Failure

Published on: June 10, 2025

Prognosis and determinants of survival in patients newly hospitalized for heart failure: a population-based study

Philip Jong1, Erika Vowinckel, Peter P Liu

  • 1Heart & Stroke/Richard Lewar Centre of Excellence and the Toronto General Hospital, University Health Network, Ontario, Canada.

Archives of Internal Medicine
|August 3, 2002
PubMed

Insights

Heart failure prognosis remains poor for community patients, with high 30-day and 1-year mortality rates. Age, sex, and comorbidities significantly impact survival, showing complex interactions.

Area of Science:

  • Cardiology
  • Public Health
  • Epidemiology

Background:

  • Prognosis for community-dwelling heart failure patients is understudied.
  • Understanding survival post-hospitalization is crucial for patient care.

Purpose of the Study:

  • Determine short- and long-term mortality after first heart failure hospitalization.
  • Investigate the influence of age, sex, and comorbidities on survival.

Main Methods:

  • Retrospective cohort study of 38,702 patients from the Canadian Institute for Health Information database.
  • Analysis of prognostic variables from discharge abstracts and vital status linkage.
  • Regression analyses to identify predictors of survival.

Main Results:

  • Crude 30-day and 1-year case-fatality rates were 11.6% and 33.1%.
  • Older age, male sex, and higher comorbidity burden (Charlson Index) independently predicted poorer survival.
  • Mortality varied significantly by age and comorbidity, from 2.3%/7.6% to 23.8%/60.7%.

Conclusions:

  • Heart failure prognosis is poor in unselected community patients, with significant subgroup variations.
  • Age, sex, and comorbidities are confirmed independent prognostic indicators.
  • Complex interactions among these factors influence heart failure survival.
Abstract

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