Heart failure & cardiomyopathies
Bioimpedance phase angle is associated with increased heart failure hospitalization risk
Authors' conclusion
Phase angle was found to be independently associated with HF hospitalization risk.
Study context
- Population
- Patients with heart failure (HF) (SCALE-HF 1 study); phase angle measured at home by the Bodyport Cardiac Scale312 (95%) with baseline phase angle
- Participants
- 329 patients
- Exposure
- Lowest vs highest quartile of baseline bioimpedance phase angle
- Outcome
- Adjudicated HF hospitalization
Methodological detailsmulticenter, 8 US sites
- Multicenter
- 8 US sites
Main finding
As reported in the abstract
HF hospitalization
Lowest quartile vs Highest quartileHazard ratio (95% CI)P value
Univariable
3.44(1.55–7.63)
P = 0.002Multivariable adjusted
3.51(1.73–7.12)
P < 0.001- HF hospitalization during follow-up (of 312 with phase angle)
- 57 (18%)
Observational data: associations, not effects.
Original publication
Bioimpedance phase angle is associated with increased heart failure hospitalization risk. Am Heart J. Published 7 October 2025. doi:10.
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