An anthropometric survey of US pre-term and full-term neonates
- 7 November 2017
- journal article
- research article
- Published by Taylor & Francis Ltd in Annals of Human Biology
- Vol. 44 (8), 678-686
- https://doi.org/10.1080/03014460.2017.1392603
Abstract
Background: Anthropometric data prove valuable for screening and monitoring various medical conditions. In young infants, however, only weight, length and head circumference are represented in publicly accessible databases. Aim: To characterise length and circumferential measures in pre-term and full-term infants up to 90 days post-natal. Subjects and methods: In eight US medical centres, trained raters recorded humeral, ulnar, femoral, tibial and fibular lengths along with mid-upper arm, mid-thigh, chest, abdominal and neck circumference. Data were pooled by post-menstrual age into 1-week intervals and population curves created using the lambda, mu and sigma (LMS) method. Goodness-of-fit was assessed by examining de-trended quantile-quantile plots, Q statistics and fitted centiles overlaid on empirical centiles. Results: In total, 2097 infants were enrolled in this study with a mean ± SD gestational age and post-natal age of 37.1 ± 3.3 weeks and 27.3 ± 25.3 days, respectively. A re-scale option was used to describe all curves. The resultant models reliably characterised anthropometric measures from 33–52 weeks PMA, with less certainty at the extremes (27–55 weeks). Conclusion: The population curves generated under this investigation expand existing reference data on a comprehensive set of anthropometric traits in infants through the first 90 days post-natal.Keywords
Funding Information
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (HHSN275201000003I)
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