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Published on: July 24, 2013
Weight-Adjusted Waist Index: an anthropometric measure for frailty in older adults
Esra Cataltepe1, Eda Ceker2, Ayse Fadiloglu2
1Department of Geriatric Medicine, Gazi University Faculty of Medicine, 06560, Ankara, Türkiye. esracataltepe@gazi.edu.tr.
Purpose:
Current measures of frailty often rely on subjective assessments or complex scoring systems. This study aims to investigate the utility of a novel anthropometric measure, the Weight-Adjusted Waist Index (WWI), as a simple and objective predictive marker for frailty in older adults.
Methods:
This cross-sectional study included 847 patients aged 65 years and older. Comprehensive geriatric assessments and anthropometric measurements were conducted. Frailty was diagnosed using the Clinical Frailty Scale (CFS). The association between WWI and frailty was analyzed using multivariate logistic regression analysis.
Results:
The mean age of the participants was 74.9 ± 6 years, with 56.3% (n = 477) being women and 14.8% (n = 125) classified as frail. The frail group had a significantly higher WWI than the non-frail group (p < 0.001). In multivariate logistic regression analysis, WWI remained significantly associated with frailty, even after adjusting for other potential confounding factors (OR = 2.51, 95% CI 1.77-3.57, p < 0.001). The predictive ability of WWI for frailty was measured by the area under the receiver operating characteristic (ROC) curve, which was 0.705 (95% CI 0.67-0.73; p < 0.001). The optimal WWI threshold for predicting frailty was identified as > 12.
Conclusion:
The Weight-Adjusted Waist Index shows significant potential as a simple and objective predictive marker for frailty in older adults.
