Evidence map›Paper›PMID 41406486›Full record

Observational studyPhysiological research2025

Phase Angle in Bioelectrical Impedance: New Perspectives in Health and Body Composition Assessment.

J Jirků, J Křížová

Abstract readObservational Study
In one paragraph

Observational study in Physiological research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

0numbers the graph read from it
0cells of the map it votes in
2citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

2 citing papers in PubMed.

  1. Article
  2. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

J Jirků3rd Department of Internal Medicine, Department of endocrinology and metabolism, General University Hospital in Prague, 1st Faculty of Medicine, Charles University, Prague, Czech Republic.
J Křížová

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The aim of this observational, descriptive, and cross-sectional study was to analyze the relationship between phase angle (PhA), determined by bioelectrical impedance analysis (BIA), and body composition parameters in healthy adult individuals. The study included 265 participants (122 women and 143 men) aged 18-77 years, examined at a nutritional outpatient clinic in Prague between April 2022 and December 2023. Segmental multi-frequency BIA was performed using the Tanita MC-780 MA analyzer with eight electrodes and frequencies of 5 kHz, 50 kHz, and 250 kHz. The mean PhA values were significantly higher in men than in women (6.29° vs. 5.57°; p < 0.001). A strong negative correlation between the extracellular water-to-total body water ratio (ECW/TBW) and PhA was observed in men (r = 0.78; p < 0.001), whereas in women, the correlation was moderate (r = -0.33; p < 0.001). Conversely, a strong positive correlation was observed between PhA and intracellular water (ICW) volume in women (r = 0.71; p < 0.001), while in men this association was weaker (r = 0.17; p < 0.05). The data indicate that PhA is significantly correlated with body fluid distribution and body composition. The key determinants differ by sex-fat mass, particularly visceral fat, plays a predominant role in men, while in women, muscle mass appears to be the dominant factor. PhA thus emerges as a valid, non-invasive marker of body composition, sensitive to changes in internal milieu, with potential clinical applications for assessing nutritional status and the patient's physiological condition. Keywords Bioelectrical impedance analysis " Phase angle " Body composition " Sex characteristics " Body water distribution.

Indexed as

Body CompositionBody WaterElectric ImpedanceAdolescentAdultAgedCross-Sectional StudiesFemaleHumansMaleMiddle AgedYoung Adult

Identifiers

PMID41406486
PMCPMC12721815

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.