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|a 10.3760/cma.j.cn112140-20240109-00036
|2 doi
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|a pubmed25n1236.xml
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|a DE-627
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|e rakwb
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|a chi
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1 |
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|a Cao, M Y
|e verfasserin
|4 aut
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|a Reference values of skeletal muscle mass for children in Nanjing area
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 28.04.2024
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|a Date Revised 28.04.2024
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|a published: Print
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|a Citation Status MEDLINE
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|a Objective: To establish the reference values and growth curves of skeletal muscle mass among children in the Nanjing area. Methods: A cross-sectional study was conducted with children who underwent physical examination at the Department of Child Health Care, Children's Hospital of Nanjing Medical University from 2020 January to 2022 September. Their height, weight, body fat mass and skeletal muscle mass were measured. Body mass index, percentage of body fat mass, percentage of skeletal muscle mass, relative skeletal muscle mass index and the ratio of skeletal muscle to body fat were calculated. The associations between skeletal muscle mass indices and physical measurements index were analyzed through the Spearman correlation test. The Mann-Kendall test was used to assess the trend for skeletal muscle mass. Generalized additive models for location, scale and shape were used to construct percentile reference values and growth curves of male and female skeletal muscle mass indices at different ages. Results: A total of 32 690 children aged 4-14 years were enrolled in this study, including 19 912 boys (60.91%). Skeletal muscle mass, percentage of skeletal muscle mass, relative skeletal muscle mass index and the ratio of skeletal muscle to body fat of boys and girls was 11.10 (8.40, 14.90) and 10.30 (7.90, 13.20) kg, 40.36% (37.01%, 43.13%) and 39.38% (36.43%, 41.88%), 6.70 (6.07, 7.52) and 6.33 (5.79, 7.00), 2.39 (1.46, 3.47) and 2.14 (1.45, 3.00) kg/m2, respectively. Skeletal muscle mass of both boys and girls was all positively associated with weight (r=0.97, 0.96), body mass index (r=0.68, 0.63) and percentage of body fat mass (r=0.40, 0.43) (all P<0.01). The reference values and growth curves showed that the percentage of skeletal muscle mass P50 ranged from 37.75%-44.61% in boys and from 36.22%-40.55% in girls. The relative skeletal muscle mass index P50 ranged from 5.80-9.68 kg/m2 in boys and from 5.57-7.98 kg/m2 in girls. The ratio of skeletal muscle to body fat P50 ranged from 1.86-2.67 in boys and from 1.29-2.41 in girls. There was an increasing trend with age for both boys and girls in the growth of skeletal muscle mass (Z=4.20, 3.75, both Ptrend<0.01), and increased slightly before 9 years of age and then increased rapidly until 14 years of age in both boys and girls. Conclusions: The skeletal muscle mass indices change with age and gender during childhood. Percentile reference values for pediatric skeletal muscle mass indices can be used to evaluate the muscular growth and development in children in the Nanjing area
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|a English Abstract
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|a Journal Article
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|a Yan, W
|e verfasserin
|4 aut
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|a Shi, Y N
|e verfasserin
|4 aut
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1 |
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|a Peng, L T
|e verfasserin
|4 aut
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|a Zhao, M
|e verfasserin
|4 aut
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|a Wang, L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, X N
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Zhonghua er ke za zhi = Chinese journal of pediatrics
|d 1960
|g 62(2024), 5 vom: 02. Mai, Seite 423-429
|w (DE-627)NLM136249191
|x 0578-1310
|7 nnas
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| 773 |
1 |
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|g volume:62
|g year:2024
|g number:5
|g day:02
|g month:05
|g pages:423-429
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|u http://dx.doi.org/10.3760/cma.j.cn112140-20240109-00036
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|d 62
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