Head circumference from birth to five years in France: New national reference charts and comparison to WHO standards.
Big-data
Child
ELFE, Étude Longitudinale Française depuis l'Enfance/French longitudinal study of children
GAMLSS, Generalized Additive Models for Location, Scale and Shape
Growth chart
HC, head circumference
Head circumference
Models
SD, standard deviation
WHO, World Health Organization
Journal
The Lancet regional health. Europe
ISSN: 2666-7762
Titre abrégé: Lancet Reg Health Eur
Pays: England
ID NLM: 101777707
Informations de publication
Date de publication:
Jun 2021
Jun 2021
Historique:
entrez:
24
9
2021
pubmed:
25
9
2021
medline:
25
9
2021
Statut:
epublish
Résumé
The monitoring of head circumference (HC) is essential to early detect any conditions affecting its growth in early childhood. A positive secular trend and regional specificities in HC suggested the need to provide updated national HC reference growth charts. We extracted all growth data collected from 42 primary-care physicians from across the French metropolitan territory who used the same electronic medical-records software. We selected HC measurements up to age five years for all children who were born after 1990 with birth weight > 2500 g. We derived new HC growth charts by using Generalized Additive Models for Location, Scale and Shape, then externally validated them until 30 months of age by comparison with the national population-based With 973,869 HC measurements from 157,762 children, new calibrated HC growth charts from birth to age five years were generated. The new HC growth charts showed good external fit by comparison with the ELFE birth cohort. As compared with the new HC growth charts, the previous French and WHO growth charts mean HC z-scores were, respectively, -0.4 and -0.6 SD for girls and -0.2 and -0.6 SD for boys. We produced and validated national calibrated HC growth charts by using a novel big-data approach applied to data routinely collected in clinical practice. Comparison with previous French and WHO growth charts confirmed a positive secular trend since the 1960s and regional specificities. The French Ministry of Health; Laboratoires Guigoz-General Pediatrics section of the French Society of Pediatrics-Paediatric Epidemiological Research Group; the French Association of Ambulatory Pediatrics; and educational grant from the Regional Health Agency of Ile-de-France.
Sections du résumé
BACKGROUND
BACKGROUND
The monitoring of head circumference (HC) is essential to early detect any conditions affecting its growth in early childhood. A positive secular trend and regional specificities in HC suggested the need to provide updated national HC reference growth charts.
METHODS
METHODS
We extracted all growth data collected from 42 primary-care physicians from across the French metropolitan territory who used the same electronic medical-records software. We selected HC measurements up to age five years for all children who were born after 1990 with birth weight > 2500 g. We derived new HC growth charts by using Generalized Additive Models for Location, Scale and Shape, then externally validated them until 30 months of age by comparison with the national population-based
FINDINGS
RESULTS
With 973,869 HC measurements from 157,762 children, new calibrated HC growth charts from birth to age five years were generated. The new HC growth charts showed good external fit by comparison with the ELFE birth cohort. As compared with the new HC growth charts, the previous French and WHO growth charts mean HC z-scores were, respectively, -0.4 and -0.6 SD for girls and -0.2 and -0.6 SD for boys.
INTERPRETATION
CONCLUSIONS
We produced and validated national calibrated HC growth charts by using a novel big-data approach applied to data routinely collected in clinical practice. Comparison with previous French and WHO growth charts confirmed a positive secular trend since the 1960s and regional specificities.
FUNDING
BACKGROUND
The French Ministry of Health; Laboratoires Guigoz-General Pediatrics section of the French Society of Pediatrics-Paediatric Epidemiological Research Group; the French Association of Ambulatory Pediatrics; and educational grant from the Regional Health Agency of Ile-de-France.
Identifiants
pubmed: 34557823
doi: 10.1016/j.lanepe.2021.100114
pii: S2666-7762(21)00091-0
pmc: PMC8454714
doi:
Types de publication
Journal Article
Langues
eng
Pagination
100114Informations de copyright
© 2021 The Authors.
Déclaration de conflit d'intérêts
BH, AW, MC, BF and PS are co-owners of the patent for the new national French AFPA/Inserm/CGM growth charts. All remaining authors declare no competing interests.
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