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- W2340415061 abstract "Background:Sarcopenia may explain, in a large proportion, physical disability, falls and fractures,especially in aged elderly. However, a diagnosis in an operationally systematic, simple and low cost way isextremely important, particularly for home-based, epidemiological studies. Objective:The purpose of this studywas to develop and validate predictive equations of appendicular lean soft tissue (ALST) in elderly older than 80years. Design and settings:A validation study was performed in 106 elderly (men and women) aged 80 years andolder. Measurements:Body weight, height, circumference (arm, midcalf, hip and waist) and triceps skinfold weremeasured in the elderly. ALST were measured using as the reference method dual-energy X-ray absorptiometry(DXA). Results:Two models were predicted. The first model (ALST, in kg = 0.074*height + 0.277*weight –0.144*triceps skinfold – 0.103*waist circumference + 1.831*gender -0.966), which considered all possiblevariables in stepwise multiple regression, presented better statistical performance (r2= 0.82; SEE = 1.67 kg),compared to the second model (ALST, in kg = 0.138*height + 0.103*weight + 3.061*gender – 12.489), a morepractical equation, due to a lesser quantity of predictive variables (r2= 0.75; SEE = 1.94 kg). Both models werevalidated, however, it was verified trend (p<0.05) for overestimation of predicted ALST. Conclusion:Insummary, two models for predicting ALST in men and women with age ≥ 80 years were developed and cross-validated. Model 1, with a greater number of predictive variables, presented a better accuracy than did the modelwith only three variables (height, weight, and gender). Validation studies are needed to test the usefulness of bothmodels in other populations." @default.
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- W2340415061 date "2013-01-01" @default.
- W2340415061 modified "2023-10-14" @default.
- W2340415061 title "APPENDICULAR LEAN SOFT TISSUE: DEVELOPMENT AND CROSS-VALIDATION OF PREDICTIVE MODELS FOR OLDER MEN AND WOMEN" @default.
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- W2340415061 doi "https://doi.org/10.14283/jfa.2013.10" @default.
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