Differences in body composition measurements assessed by air displacement plethysmography and dual-energy X-ray absorptiometry in young and middle-aged adults

Huang, Yiwen; Dong, Hongbo; Cheng, Hong; Shan, Xin; Yu, Xiaoran; Chen, Fangfang; Mi, Jie

doi:10.1016/j.clnesp.2022.06.014

Cited by 3 publications

(3 citation statements)

References 23 publications

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“…Therefore, our results additionally found that the difference in BC measurements between ADP and DXA was affected by BMI, and the absolute bias between the two methods tended to decrease with the increase of BMI, especially in boys. In other words, ADP and DXA showed better agreement and smaller absolute bias in children with obesity, consistent with our previous study in Chinese adults 27 …”

Section: Discussionsupporting

confidence: 92%

“…In other words, ADP and DXA showed better agreement and smaller absolute bias in children with obesity, consistent with our previous study in Chinese adults. 27 Numerous comparative studies have evaluated the validity of BIA using DXA as the reference method in diverse populations (Table S3). Our results were consistent with most previous studies, with BIA estimating lower body fat content (FM and FMP) but greater FFM than DXA.…”

Section: Discussionmentioning

confidence: 99%

“…Fourth, our results may only apply to children and adolescents; the difference in BC measurements between ADP and DXA in adults could refer to our earlier published articles. 27 Future comparative studies are required to carry out in infant and elder populations.…”

Section: Discussionmentioning

confidence: 99%

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Differences in air displacement plethysmography, bioelectrical impedance analysis and dual‐energy X‐ray absorptiometry for estimating body composition in Chinese children and adolescents

Huang

Wang

Cheng

et al. 2023

J Paediatrics Child Health

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This study aimed to compare body composition (BC) measurements obtained by three widely used BC measuring methods, air displacement plethysmography (ADP), bioelectrical impedance analysis (BIA) and dual-energy X-ray absorptiometry (DXA), in Chinese children and adolescents by sex and different BMI categories. Methods: We used three BC measuring methods to evaluate healthy Chinese children and adolescents aged 5-17 years with BMI categories ranging from underweight to obese. Fat mass (FM, kg), fat mass percentage (FMP, %), fat-free mass (FFM, kg) and appendicular skeletal muscle mass (ASM, kg) were measured by DXA, BIA and ADP on the same day within 1 h. Results: A total of 172 Chinese children and adolescents were included in this study. The agreements for FM, FFM and ASM estimated by the three methods were excellent or good at the population level (intraclass correlation coefficient > 0.850, P < 0.05). However, ADP or BIA estimated lower body fat content and higher FFM than DXA (P < 0.001 for all). Moreover, the precise estimates significantly varied across BMI categories. In addition, the limit of agreements was wide, and the differences might not be clinically acceptable at the individual level. Conclusions: Body fat and FFM obtained by the three commonly used methods were highly correlated, but systematically different and influenced by BMI. This study provided a basis for mutual reference of measurements between three widely used methods.

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Section: Discussionsupporting

confidence: 92%

Section: Discussionmentioning

confidence: 99%

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Differences in air displacement plethysmography, bioelectrical impedance analysis and dual‐energy X‐ray absorptiometry for estimating body composition in Chinese children and adolescents

Huang

Wang

Cheng

et al. 2023

J Paediatrics Child Health

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The life‐course changes in muscle mass using dual‐energy X‐ray absorptiometry: The China BCL study and the US NHANES study

Wang,

Gao,

Xiong

et al. 2024

J cachexia sarcopenia muscle

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BackgroundSarcopenia is an important indicator of ill health and is linked to increased mortality and a reduced quality of life. Age‐associated muscle mass indices provide a critical tool to help understand the development of sarcopenia. This study aimed to develop sex‐ and age‐specific percentiles for muscle mass indices in a Chinese population and to compare those indices with those from other ethnicities using the National Health and Nutrition Examination Survey (NHANES) data.MethodsWhole‐body and regional muscle mass was measured by dual‐energy X‐ray absorptiometry (DXA) in participants of the China Body Composition Life‐course (BCL) study (17 203 healthy Chinese aged 3–60 years, male 48.9%) and NHANES (12 663 healthy Americans aged 8–59 years, male 50.4%). Age‐ and sex‐specific percentile curves were generated for whole‐body muscle mass and appendicular skeletal muscle mass using the Generalized Additive Model for Location Scale and Shape statistical method.ResultsValues of upper and lower muscle mass across ages had three periods: an increase from age 3 to a peak at age 25 in males (with the 5th and 95th values of 41.5 and 66.4 kg, respectively) and age 23 in females (with the 5th and 95th values of 28.4 and 45.1 kg, respectively), a plateau through midlife (30s–50s) and then a decline after their early 50s. The age at which muscle mass began to decline was 52 years in men with the 5th and 95th percentile values of 43.5 and 64.6 kg, and 51 years in women with the 5th and 95th percentile values of 31.6 and 46.9 kg. Appendicular skeletal muscle mass decreased earlier than whole body muscle mass, especially leg skeletal muscle mass, which decreased slightly after age 49 years in both sexes. In comparison with their US counterparts in the NHANES, the Chinese participants had lower muscle mass indices (all P < 0.001) and reached a muscle mass peak earlier with a lower muscle mass, with the exception of similar values compared with adult Mexican and White participants. The muscle mass growth rate of Chinese children decreased faster than that of other races after the age of 13.ConclusionsWe present the sex‐ and age‐specific percentiles for muscle mass and appendicular skeletal muscle mass by DXA in participants aged 3–60 from China and compare them with those of different ethnic groups in NHANES. The rich data characterize the trajectories of key muscle mass indices that may facilitate the clinical appraisal of muscle mass and improve the early diagnosis of sarcopenia in the Chinese population.

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Validity and reliability of portable A-mode ultrasound in measuring body fat percentage: A systematic review with meta-analysis

Ferreira,

Silva,

Bomfim

2024

PLoS ONE

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The present Systematic Review with Meta-analysis study aimed to evaluate the validity and reliability of the Portable A-mode Ultrasound (P-US) for measuring body fat percentage (BF%). Only studies with participants of both genders which had assessed BF% using P-US compared to the reference standard were selected. Publications up until May 31, 2022 were searched in the MEDLINE, COCHRANE, Science Direct, Web of Science, LILACS, SciELO, PEDro, SPORT Discus, CINAHL and SCOPUS databases. QUADAS-2 was used to assess the risk of bias in the validity studies and QAREL was used for the methodological quality of reliability studies. The JAMOVI software program synthesized the results, from which the Pearson Correlation Coefficient (r) or the square root of the Multiple Linear Regression Determination Coefficient (R2) were extracted for the validity studies, and the Mean of Errors of the Bland-Altman Test (ME) and the Confidence Interval (95%CI) with Upper and Lower Limits for the reliability studies. A total of 13 studies were included, generating 26 results for the quantitative synthesis, 14 for validity and 12 for reliability. Regarding the validity results, a strong correlation was identified between the equipment (r = 0.870 [0.845–0.895], P<0.001), with moderate and true heterogeneity (I2 = 53.47%, P = 0.003), presenting publication bias. A small effect size was identified regarding the reliability results, overestimating the results due to chance between the devices (ME = 0.207 [-0.798–1.212], P = 0.686), with low heterogeneity also due to chance (I2 = 19.44%, P = 0.253), with no publication bias. All of the evaluated studies showed some violation of the instruments, confirming the high risk of bias and the low methodological quality. There is concern with heterogeneity for the validity results explained by the subgroups’ analysis. The P-US associated with anthropometric perimeters satisfactorily measures the BF% with samples greater than 100 participants, and males. The results in the reliability assessment show high agreement and high variability, greatly expanding the confidence interval, which should be viewed with reservations. This review received financial support from the Brazilian Air Force. The study was registered with PROSPERO under the number CRD42020166617.

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Differences in body composition measurements assessed by air displacement plethysmography and dual-energy X-ray absorptiometry in young and middle-aged adults

Cited by 3 publications

References 23 publications

Differences in air displacement plethysmography, bioelectrical impedance analysis and dual‐energy X‐ray absorptiometry for estimating body composition in Chinese children and adolescents

Differences in air displacement plethysmography, bioelectrical impedance analysis and dual‐energy X‐ray absorptiometry for estimating body composition in Chinese children and adolescents

The life‐course changes in muscle mass using dual‐energy X‐ray absorptiometry: The China BCL study and the US NHANES study

Validity and reliability of portable A-mode ultrasound in measuring body fat percentage: A systematic review with meta-analysis

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