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. 2013 Sep;120(Suppl 2):71-6, v.
doi: 10.1111/1471-0528.12031. Epub 2013 May 17.

Statistical considerations for the development of prescriptive fetal and newborn growth standards in the INTERGROWTH-21st Project

D G Altman  1 , E O Ohuma; International Fetal and Newborn Growth Consortium for the 21st Century
Collaborators, Affiliations

Statistical considerations for the development of prescriptive fetal and newborn growth standards in the INTERGROWTH-21st Project

D G Altman et al. BJOG. 2013 Sep.

Abstract

The INTERGROWTH-21(st) Project has in its mandate to develop prescriptive standards for fetal, neonatal and preterm post-neonatal growth. The project comprises three components: the Fetal Growth Longitudinal Study (FGLS), the Preterm Postnatal Follow-up Study (PPFS), and the Newborn Cross-Sectional Study (NCSS). We consider here the statistical aspects of the three components as they relate to the construction of these standards, in particular the sample size, and outline the principles that will guide the planned main analyses.

Keywords: Sample size; fetal growth; longitudinal study; prescriptive standards, INTERGROWTH-21st; statistical aspects.

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