ArticleAnnals of geriatric medicine and research2026
Increased Extracellular-to-Total Body Water Ratio in Community-Dwelling Individuals in their 20s to 90s is Associated with Decreased Grip Strength and Gait Speed.
Article in Annals of geriatric medicine and research, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundIn 2019, the European Working Group of Sarcopenia in Older People indicated the importance of assessing muscle mass and quality in diagnosing sarcopenia. The extracellular water- to-total body water ratio (ECW/TBW) has recently attracted attention as an indicator of muscle quality. This study aimed to clarify the associations of ECW/TBW and grip strength and gait speed in community-dwelling individuals in their 20s to 90s.
methodsThis study employed a cross-sectional design. We enrolled 661 community-dwelling individuals (aged ≥20). The ECW/ TBW was measured using multifrequency bioelectrical impedance analysis. Associations between grip strength, gait speed, and ECW/TBW were analyzed separately for males and females using Spearman's correlation coefficient. Multiple linear regression analyses were conducted to examine factors associated with grip strength and gait speed.
resultsCorrelation analyses revealed significant negative correlations between ECW/TBW and grip strength (males: ρ=-0.413, p<0.001; females: ρ=-0.384, p<0.001) and gait speed (males: ρ=-0.122, p=0.037; females: ρ=-0.206, p<0.001). In the multiple linear regression analysis, ECW/TBW was significantly and independently associated with grip strength (males: β=-0.207, p=0.006; females: β=-0.215, p=0.001) and gait speed (males: β=-0.213, p=0.013; females: β=-0.305, p<0.001).
conclusionThe present study identified negative associations between ECW/TBW and both grip strength and gait speed among community-dwelling individuals in their 20s to 90s. Additionally, these associations were confirmed in males and females.
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