AGREEMENT BETWEEN MEASURED AND ESTIMATED BODY WEIGHT AND HEIGHT IN HOSPITALIZED ADULTS AND ELDERLY
DOI:
https://doi.org/10.12957/demetra.2019.37391Keywords:
Anthropometry. Body weight. Body height. Adult. Elderly. Estimative techniquesAbstract
Objective: To compare measures of body weight and height measured and estimated by predictive equations in hospitalized adult and elderly patients. Methods: A cross-sectional study with 100 adults and 100 elderly hospitalized patients. Body height and weight, gender, skin color, waist circumference, calf and arm circumference, half-span, subscapular skinfold and knee height were obtained by a trained professional. Weight and height were estimated using the validated equations. The agreement between the measured and estimated measurements was evaluated through the Intraclass Correlation Coefficient, Paired T-Test, Bland & Altman Concordance and Receiver Operating Characteristic Curve. The level of statistical significance adopted was 5%. Results: According to the Intraclass Correlation Coefficient, the Chumlea equation showed higher agreement with weight (CCI = 0.95) and height measured in adults (CCI = 0.88). For the elderly, the Rabito equation presented higher agreement for both measures, weight (ICC = 0.92) and height (ICC = 0.80). The body mass index estimated by both equations showed good predictive capacity of overweight. The Bland & Altman method showed important differences between measured and estimated individual level, resulting in both overestimation and underestimation of body weight and height. Conclusion: Considering the average individual error, the height estimated by the Chumlea equation, and body weight, estimated by Rabito, were more adequate for adults. As for the elderly, the height estimated by Rabito and body weight, estimated by Chumlea, were more adequate. However, both methods showed low accuracyDOI: 10.12957/demetra.2019.37391
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