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Reference Centiles for the Evaluation of Nutritional Status in Children using Body Fat Percentage, Fat Mass and Lean

Ibrahim Duran1, Kyriakos Martakis2, Mirko Rehberg3

  • 1University of Cologne, Center of Prevention and Rehabilitation, UniReha, Germany.

Journal of Clinical Densitometry : the Official Journal of the International Society for Clinical Densitometry
|March 5, 2019
PubMed

Insights

New reference centiles for body fat percentage (BF%), fat mass index (FMI), and lean body mass index (LBMI) are now available for children and adolescents using GE Healthcare Lunar DXA systems. These ethnicity-specific centiles aid in evaluating pediatric nutritional status.

Area of Science:

  • Pediatric Endocrinology
  • Body Composition Analysis
  • Nutritional Science

Background:

  • Body fat percentage (BF%), fat mass index (FMI), and lean body mass index (LBMI) are crucial for assessing pediatric nutritional status.
  • Existing reference centiles for FMI are not compatible with GE Healthcare Lunar DXA systems.
  • There is a need for age- and ethnicity-specific reference data for these metrics.

Purpose of the Study:

  • To generate age-specific reference centiles for BF%, FMI, and LBMI.
  • To ensure applicability to GE Healthcare Lunar DXA systems.
  • To provide ethnicity-specific data for diverse pediatric populations.

Main Methods:

  • Utilized published data from the National Health and Nutrition Examination Survey (NHANES) 1999-2004.
  • Applied LMS and LMSP methods for centile generation.
  • Included data from non-Hispanic black, non-Hispanic white, and Mexican American children and adolescents (ages 8-20).

Main Results:

  • Generated age-specific reference centiles for BF%, FMI, and LBMI.
  • Data included 2433 non-Hispanic black, 2026 non-Hispanic white, and 2547 Mexican American children.
  • Centiles are directly applicable to Prodigy and iDXA GE Healthcare Lunar systems (software version 14.0).

Conclusions:

  • Presented ethnicity-specific reference centiles for BF%, FMI, and LBMI for children and adolescents.
  • These centiles are designed for GE Healthcare Lunar DXA systems.
  • Recommended the combined use of BF%, FMI, and LBMI for comprehensive nutritional status evaluation in children.
Abstract

Keywords:
Body fat percentagechildrenfat mass indexlean body mass indexreference centiles

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