Preliminary evaluation of a new pediatric air displacement plethysmograph for body composition assessment in infants. 2003

M Yao, and L Nommsen-Rivers, and K Dewey, and A Urlando
Life Measurement Incorporated, 1850 Bates Avenue, Concord, CA 94520, USA.

A preliminary evaluation of a new air displacement plethysmography (ADP) system for body composition assessment in infants was performed on 17 subjects on 2 consecutive days. Mean (+/-SD) percent body fat (%BF) obtained from test 1 on day 1, and tests 1 and 2 on day 2 was 23.21+/-7.63, 22.94+/-7.50, and 22.55+/-7.61, respectively. Mean differences in %BF of within- (-0.39+/-0.81) and between-day tests (-0.27+/-0.97) did not significantly differ from zero. %BF 95% limits of agreements were very close (-2.0-1.2, and -2.2-1.7 for within- and between-day tests, respectively). %BF SDs (0.52 and 0.60 %BF for within- and between-day reliability, respectively) were not a function of the subject's behavioral state, body weight, or %BF. Mean %BF obtained from the 3 tests (22.90+/-7.56) was comparable with expected %BF values calculated using data from multi-compartment studies (25.84+/-8.39 and 21.93+/-4.46).

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D010991 Plethysmography Recording of change in the size of a part as modified by the circulation in it. Plethysmographies
D001823 Body Composition The relative amounts of various components in the body, such as percentage of body fat. Body Compositions,Composition, Body,Compositions, Body
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D015203 Reproducibility of Results The statistical reproducibility of measurements (often in a clinical context), including the testing of instrumentation or techniques to obtain reproducible results. The concept includes reproducibility of physiological measurements, which may be used to develop rules to assess probability or prognosis, or response to a stimulus; reproducibility of occurrence of a condition; and reproducibility of experimental results. Reliability and Validity,Reliability of Result,Reproducibility Of Result,Reproducibility of Finding,Validity of Result,Validity of Results,Face Validity,Reliability (Epidemiology),Reliability of Results,Reproducibility of Findings,Test-Retest Reliability,Validity (Epidemiology),Finding Reproducibilities,Finding Reproducibility,Of Result, Reproducibility,Of Results, Reproducibility,Reliabilities, Test-Retest,Reliability, Test-Retest,Result Reliabilities,Result Reliability,Result Validities,Result Validity,Result, Reproducibility Of,Results, Reproducibility Of,Test Retest Reliability,Validity and Reliability,Validity, Face

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