The first is US 661816 B2, “Bioelectrical impedance measuring apparatus” and the second is EP 15651505 A1, “Multifrequency bioimpedance determination”. Please enable it to take advantage of the complete set of features! Total number, size and proportion of different fiber types studied in whole vastus lateralis muscle from 15- to 83-year-old men. BACKGROUND: Bioelectrical impedance spectroscopy (BIS) is an attractive method for measuring body composition because it is noninvasive, simple, and cheap. The electrical impedance (Z) consists of two components, resistance (R) and reactance (Xc). Med. (, Bland–Altman plot for comparison between the two methods. COVID-19 is an emerging, rapidly evolving situation. The mean difference in right leg muscle mass between BIA and DXA was −0.12, and the confidence interval for the two standard deviations was −1.15 to 0.92. Nutrition. 2020 Oct 13;10(4):166. doi: 10.3390/jpm10040166. Eighty-two female volunteers ranging from 19-67 years (31.96 ± 1.39) enrolled 2001 Feb;26(1):102-22. doi: 10.1139/h01-008. Using BMI, gender, and fat percentage, we derive equations that improved the residuals to. Bioelectrical Impedance Analysis. Angela Teodósio da Silva, Daniela Barbieri Hauschild, Yara Maria Franco Moreno, João Luiz Dornelles Bastos, Elisabeth Wazlawik, Diagnostic Accuracy of Bioelectrical Impedance Analysis Parameters for the Evaluation of Malnutrition in Patients Receiving Hemodialysis, Nutrition in Clinical Practice, 10.1002/ncp.10098, 33, 6, (831-842), (2018). The aim of the study is to examine the validity in predicting body fat percentage (%BF) of different bioelectrical impedance (BIA) devices among Chinese children and adolescents. Accuracy of octa-polar bioelectrical impedance analysis for the assessment of total and appendicular body composition in children and adolescents with HIV: comparison with dual energy X-ray absorptiometry and air displacement plethysmography. 3.3. Bioelectrical Impedance (BIA) BIA is one of the quickest and easiest methods for predicting body fat. bioelectrical impedance analysis; dual-energy X-ray absorptiometry; muscle mass. Bioelectric impedance is a method to measure the resistance of body tissues to the flow of a small electrical signal, and from that calculate the proportion of body fat. Dir. Bioelectrical Impedance Analysis (BIA) is able to make an estimation of body composition (e.g. The total body water number is used to calculate a person’s fat-free body mass. We determined the relative accuracy of 2 BIA devices compared to dual x-ray absorptiometry (DXA) in obese and severely obese children. 2015 Mar 18;16:60. doi: 10.1186/s12891-015-0510-9. This is possible simply because different bodily tissues (e.g. Am J Clin Nutr 1999;70:91–6. A comparison of the accuracy of the linear regression, random forest, SVM, and XGBoost models showed that the linear regression has the highest accuracy. Therefore, the muscle masses estimated by DXA and BIA are consistent. USA.gov. The mean difference in fat mass between BIA and DXA was 0.0019, and the confidence interval for the two standard deviations was −3.71 to 3.71. The principle of BIA is to determine the electric impedance of an electric current passing through the body [15]. $35.69 $ 35. Therefore, the muscle masses estimated by DXA and BIA are consistent. Adv Exp Med Biol. A Biol. [Comparison whole-body muscle mass assessed by dual-energy X-ray absorptiometry and multi-frequency bioelectrical impedance in overweight and obese adults]. However, overall, only <5% of the differences in fat mass between DXA and BIA exceeded ±2 standard deviations, which conforms to the 95% confidence level. In bioelectrical impedance analysis, a very small electric current is passed through the test subject’s body. Carlsson M, Gustafson Y, Eriksson S, et al. Maltron International is the world’s leading manufacturer of Bioelectrical Impedance Analysers (BIA) and Electrical Impedance Tomography (EIT) imaging technology. Many of the early research studies showed that BIA was quite variable and it was not regarded by many as providing an accurate measure of body composition. A total of 255 Chinese children and adolescents aged 9–19 years old participated in the study. See this image and copyright information in PMC. Bioelectrical impedance analysis (BIA) is currently the most commonly used method in clinical practice to measure body composition. The Bland–Altman consistency analysis results showed that BIA tends to underestimate the trunk muscle mass. 1029-1033 View Record in Scopus Google Scholar A bioelectrical impedance analysis of 30 or higher typically indicates obesity. HHS 2019 Feb;73(2):194-199. doi: 10.1038/s41430-018-0335-3. The mean difference in trunk muscle mass between BIA and DXA was 0.95, and the confidence interval for the two standard deviations was −1.89 to 3.8. Prevalence and association of single nucleotide polymorphisms with sarcopenia in older women depends on definition. Can J Appl Physiol. The Bland–Altman consistency analysis results showed that BIA tends to overestimate the left arm muscle mass. M. Bolanowski, B.E. However, overall, only <5% of the differences in muscle mass between DXA and BIA exceeded ±2 standard deviations, which conforms to the 95% confidence level. 2016 Dec 28;16(1):216. doi: 10.1186/s12877-016-0386-z. Geriatr. 2014;15:95–101. muscle, fat, bone, etc.) We evaluate the accuracy of whole body muscle mass (WBMM) and appendicular skeletal muscle mass (ASMM) assessed by bioelectrical impedance analysis (BIA) using an InBody770 machine (InBody, Seoul, Korea) referenced to dual-energy X-ray absorptiometry (DXA) in 507 people (mean age 63.7 ± 10.8 years, body mass index (BMI) 25.2 ± 3.5 kg/m²). This site needs JavaScript to work properly. Am. The mean difference in left arm muscle mass between BIA and DXA was −0.032, and the confidence interval for the two standard deviations was −0.44 to 0.37. According to their basic assumption, the human organism behaves like a … Get it as soon as Fri, Dec 11. 2011;27:387–399. Demura S, Sato S, Kitabayashi T. Estimation accuracy of percent total body fat and percent segmental fat measured by single-frequency bioelectrical impedance analysis with 8 electrodes: the effect of difference in adiposity. 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