Reference values for leptin and adiponectin in children below the age of 10 based on the IDEFICS cohort

E Erhardt1, R Foraita2, I Pigeot3

  • 1Department of Paediatrics, University of Pécs, Pécs, Hungary.

Insights

This study established new reference values for serum leptin and adiponectin in normal-weight European children aged 3-9 years. These findings provide crucial data for interpreting hormone levels in pediatric health studies.

Area of Science:

  • Pediatric endocrinology
  • Human physiology
  • Nutritional science

Background:

  • Accurate reference values for serum leptin and adiponectin are essential for assessing metabolic health in children.
  • Previous studies have lacked comprehensive, age- and sex-specific data for prepubertal, normal-weight European children.

Purpose of the Study:

  • To establish age- and sex-specific reference values for serum leptin and adiponectin.
  • To provide normative data for normal-weight European children aged 3.0-8.9 years.

Main Methods:

  • Analysis of blood samples from 539 normal-weight children (aged 3.0-8.9 years) within the IDEFICS cohort.
  • Utilized the General Additive Model for Location Scale and Shape to derive age- and sex-specific percentiles.
  • Investigated the impact of obesity using sensitivity analyses with larger sample sizes.

Main Results:

  • Serum leptin levels showed a positive trend with age, while adiponectin levels showed a negative trend in both boys and girls.
  • Generally higher percentile values for both hormones were observed in girls compared to boys.
  • Specific ranges for the 97th percentile differences between sexes were quantified for adiponectin and leptin.

Conclusions:

  • This study presents the first known reference values for leptin and adiponectin in prepubertal, normal-weight children.
  • The developed reference curves facilitate a more precise interpretation of hormone levels in pediatric epidemiological and clinical research.
  • These findings contribute to a better understanding of hormonal profiles in healthy children.
Abstract

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