Shumei S. Guo

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Data from 867 preterm low-birthweight participants in the Infant Health and Development Program (IHDP) were used to develop reference data for growth status at an age and for increments from term to 36 month gestation-adjusted age (GAA). Weight, length and head circumference were recorded at 4 month intervals in the first year and at 6 month intervals in(More)
Serial head circumference measurements in 462 participants in the Fels Longitudinal Study were used to develop reference data for ages 1 to 12 months. We used a three-parameter mathematical function to model the serial head circumference data for each individual and estimated head circumference at 1-month intervals. Reference data for selected percentiles(More)
Objectives—This report presents the revised growth charts for the United States. It summarizes the history of the 1977 National Center for Health Statistics (NCHS) growth charts, reasons for the revision, data sources and statistical procedures used, and major features of the revised charts. Methods—Data from five national health examination surveys(More)
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