Phase angle and associated factors in patients with chronic kidney disease on hemodialysis treatment

Authors

DOI:

https://doi.org/10.12957/demetra.2025.74267

Keywords:

Hemodialysis. Chronic kidney disease. Bioimpedance

Abstract

Introduction: Phase angle (PA) is a measurement derived from bioelectrical impedance that is used to assess patient prognosis as it is closely related to the patient's nutritional status. Objective: To verify the association between PA and sociodemographic, clinical, biochemical and anthropometric characteristics in patients undergoing hemodialysis treatment. Methods: Cross-sectional study conducted between 2018 and 2019 at a hemodialysis unit. Sociodemographic data were collected and anthropometric measurements (dry weight, height, handgrip strength, triciptal and subscapular skinfold thickness), body composition, and clinical data were obtained from the patients' medical records. Linear regression was used to determine the association between independent variables and PA. Results: The study sample consisted of 122 patients. There was a predominance of males, individuals who were married or with a partner, and individuals in the age group between 35 and 59. A negative association was found between age and PA (p = 0.018). A higher dry weight was associated with a higher PA (p = 0.047) and higher handgrip strength (p = 0.016). Conclusion: PA was found to be negatively associated with age and positively associated with weight and handgrip strength.

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Author Biographies

Danielle Cristina Guimarães da Silva, Universidade Federal de Ouro Preto, Departamento de Nutrição Clínica e Social. Ouro Preto, MG, Brasil.

Doutora em Ciência da Nutrição pela Universidade Federal de Viçosa / Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde. Barreiras, Bahia, Brasil

Rafael da Silva Eufrásio, Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde. Barreiras, BA, Brasil.

Graduando em Nutrição pela Universidade Federal do Oeste da Bahia / Universidade Federal do Oeste da Bahia, Centro das Ciências Biológicas e da Saúde.

 

Fabrícia Geralda Ferreira, Universidade da Força Aérea. Escola Preparatória de Cadetes do Ar. Barbacena, MG, Brasil.

Graduanda em Educação Física pela Universidade Federal de Viçosa.

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Published

2025-09-30

How to Cite

1.
Silva DCG da, da Silva Eufrásio R, Geralda Ferreira F. Phase angle and associated factors in patients with chronic kidney disease on hemodialysis treatment. DEMETRA [Internet]. 2025 Sep. 30 [cited 2026 Apr. 9];20:e74267. Available from: https://www.e-publicacoes.uerj.br/demetra/article/view/74267

Issue

Vol. 20 (2025)

Section

Clinical Nutrition

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Copyright (c) 2025 Danielle Cristina Guimarães da Silva

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