What question did this study set out to answer?

To investigate the association between bioelectrical impedance phase angle, physical function, and AWGS 2025-defined sarcopenia in community-dwelling older adults.

August 19, 2026HealthcareOpen Access

Association Between Phase Angle and AWGS 2025-Defined Sarcopenia in Community-Dwelling Older Adults

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To investigate the association between bioelectrical impedance phase angle, physical function, and AWGS 2025-defined sarcopenia in community-dwelling older adults.
Conducted a cross-sectional study of 317 community-dwelling adults aged ≥65 years (81 men, 236 women) across three locations in Fukushima Prefecture, Japan.
Measured 50 kHz phase angle via bioelectrical impedance analysis and assessed physical function using grip strength, knee extension strength, maximum walking speed, and Timed Up and Go.
Diagnosed sarcopenia using AWGS 2025 criteria and evaluated associations using age-adjusted logistic regression and ROC curve analysis in women.
Lower phase angle values correlated with reduced muscle strength and poorer physical performance across both men and women.
Age-adjusted logistic regression in women showed higher phase angle was independently associated with reduced odds of prevalent sarcopenia (OR = 0.26; 95% CI, 0.09–0.80).
ROC analysis in women identified an exploratory phase angle cutoff of 4.48° for discriminating sarcopenia (AUC = 0.67; sensitivity = 0.65; specificity = 0.71).

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Implication

Cross-sectional study reveals lower bioelectrical phase angle associates with sarcopenia in older women, suggesting phase angle serves as a screening biomarker for muscle health.

Cite This Study

Hoshi et al. (2026) studied this question.

synapsesocial.com/papers/6a85642503308d306e2d7c2e https://doi.org/10.3390/healthcare14162568

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Implication

Cross-sectional study reveals lower bioelectrical phase angle associates with sarcopenia in older women, suggesting phase angle serves as a screening biomarker for muscle health.

Association Between Phase Angle and AWGS 2025-Defined Sarcopenia in Community-Dwelling Older Adults

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Discussion

Implication

Cite This Study

Association Between Phase Angle and AWGS 2025-Defined Sarcopenia in Community-Dwelling Older Adults

Key Points

Discussion

Implication

Cite This Study

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