Gilberto Moreira Santos Júnior, A. A. R. Geraldes, Dante Wanderley Lima de Oliveira, Piettra Moura Galvão Pereira, R. B. D. Albuquerque
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The comparison between BM and HEI values obtained through equations and those verified in measurements showed statistically significant differences (p <0.05). CE between predicted and measured values, TE of tested equations, as well as SEE for the prediction of variables: BM (1.66; 0.11 and 6.33), HEI (-0.02; 0.02 and 0.10) and BMI (1.47; 0.10 and 3.24) allowed determining relative values very close to actual ones (2.6%, 1.31% and 5.3% for BM, HEI and BMI respectively); however, values were not statistically significant. The equations analyzed should not be used in a general way for the population of older Brazilian women with characteristics similar to those analyzed in this study. 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引用次数: 1
摘要
摘要:探讨在巴西国家研究中广泛使用的预测老年人体重和身高的两个方程的交叉效度。此外,观察到的BMI和预测的BMI之间可能存在的差异的重要性将在方程的帮助下进行研究。采用机械秤和便携式体重计对居住在Maceió / AL -巴西的200名老年妇女(66.6±5.43岁)的BM和HEI进行测量。为了验证方程的有效性,使用了以下变量:学生t检验、常数误差(CE)、总误差(TE)和估计的标准误差(SEE)。为了验证实际值和预测值之间的一致性,使用了Bland-Altman检验。公式计算的BM和HEI值与实测验证值比较,差异有统计学意义(p <0.05)。预测值与实测值之间的CE,检验方程的TE,以及变量预测的SEE: BM (1.66;0.11和6.33),HEI (-0.02;0.02和0.10)和BMI (1.47;0.10和3.24)允许确定非常接近实际值的相对值(BMI、HEI和BMI分别为2.6%、1.31%和5.3%);然而,数值没有统计学意义。所分析的方程不应以一般方式用于具有与本研究中分析的特征相似的巴西老年妇女人群。因此,应开展进一步的研究,目的是为老年妇女和住院病人,特别是最脆弱的病人建立具体的方程。
Validation of anthropometric equations for predicting body mass and height in older women
Abstract To investigate the cross-validity of two equations widely used in national research to predict body mass and height in older Brazilians. Additionally, the importance of possible differences between observed and predicted BMI will be investigated with the help of equations. BM and HEI were measured using mechanical scales and portable stadiometers in a sample of 200 older women (66.6 ± 5.43 years) living in Maceió / AL - Brazil. To verify the validity of equations, the following variables were used: Student's t-test, constant error (CE), total error (TE) and standard error of estimation (SEE). To verify agreement between actual and predicted values, the Bland-Altman test was used. The comparison between BM and HEI values obtained through equations and those verified in measurements showed statistically significant differences (p <0.05). CE between predicted and measured values, TE of tested equations, as well as SEE for the prediction of variables: BM (1.66; 0.11 and 6.33), HEI (-0.02; 0.02 and 0.10) and BMI (1.47; 0.10 and 3.24) allowed determining relative values very close to actual ones (2.6%, 1.31% and 5.3% for BM, HEI and BMI respectively); however, values were not statistically significant. The equations analyzed should not be used in a general way for the population of older Brazilian women with characteristics similar to those analyzed in this study. Therefore, further studies should be carried out with the objective of constructing specific equations for the population of older women and hospitalized patients, especially the most fragile ones.
期刊介绍:
The Brazilian Journal of Kinanthropometry and Human Performance is a journal of Physical Education, Kinesiology, Sport and related areas, whose focus is human movement, being reviewed by an international panel of peers, with emphasis on the measurement of the man in its morphological and functional aspects, as well as conditioning factors of physical performance. Given the multidisciplinary nature of the journal, these areas of study are approached in several contexts, with interactions with social, behavioral, health and environmental aspects. The journal publishes original articles as well as relevant Review/Update articles and Points of View.