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Relation between birth weight and weight and height at the age of 2 in children born preterm.

MedStar author(s):

0735-1631

Name of journal: American journal of perinatologyAbstract: CONCLUSION: Customized birth weight percentile is a minor determinant of weight at 2 years among children born preterm.Copyright Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.OBJECTIVE: The aim of the study was to evaluate associations between fetal growth and weight at 2 years in infants born preterm using a customized approach for birth weight.RESULTS: Weight z-score at 2 years was significantly lower in the <10th than in the >10th percentile group (median [interquartile range, IQR]: -0.66 [-1.58, -0.01] vs. -0.23 [-1.05, 0.55]; p<0.001), and remained after adjusting for maternal education (p<0.001). A similar relationship was noted for height z-score between groups (median [IQR]: -0.56 [-1.29, 0.19] vs. -0.24 [-0.99, 0.37]; p<0.001). Positive relationships between customized birth weight percentile and weight and height at 2 years were noted (p<0.001 for both), but were not strong (R (2)=0.04 and 0.02, respectively).STUDY DESIGN: This is a secondary analysis of a multicenter trial that included a 2-year follow-up of children born prematurely. Customized birth weight percentiles were calculated using the Gardosi model for a U.S. population, and the relation between customized percentile and weight and height at 2 years (adjusted for gender using z-score) was determined using regression analysis and by comparing z-scores for children with birth weight <10th versus >10th percentile.All authors: Caritis SN, Carpenter MW, Dinsmoor MJ, Eunice Kennedy Shriver National Institute of Child Health and Human Development Maternal-Fetal Medicine Units Network, Hankins GD, Iams JD, Leveno KJ, Malone FD, Mercer BM, O'Sullivan MJ, Olson G, Ramin SM, Reddy UM, Rouse DJ, Varner MW, Wapner RJ, Weiner SJFiscal year: FY2015Digital Object Identifier:

http://dx.doi.org/10.1055/s-0035-1544947

Date added to catalog: 2016-05-24

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Title notes ( 5 )

Holdings
Item type	Current library	Collection	Call number	Status	Date due	Barcode
Journal Article	MedStar Authors Catalog	Article	25730133	Available		25730133

CONCLUSION: Customized birth weight percentile is a minor determinant of weight at 2 years among children born preterm.Copyright Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

OBJECTIVE: The aim of the study was to evaluate associations between fetal growth and weight at 2 years in infants born preterm using a customized approach for birth weight.

RESULTS: Weight z-score at 2 years was significantly lower in the <10th than in the >10th percentile group (median [interquartile range, IQR]: -0.66 [-1.58, -0.01] vs. -0.23 [-1.05, 0.55]; p<0.001), and remained after adjusting for maternal education (p<0.001). A similar relationship was noted for height z-score between groups (median [IQR]: -0.56 [-1.29, 0.19] vs. -0.24 [-0.99, 0.37]; p<0.001). Positive relationships between customized birth weight percentile and weight and height at 2 years were noted (p<0.001 for both), but were not strong (R (2)=0.04 and 0.02, respectively).

STUDY DESIGN: This is a secondary analysis of a multicenter trial that included a 2-year follow-up of children born prematurely. Customized birth weight percentiles were calculated using the Gardosi model for a U.S. population, and the relation between customized percentile and weight and height at 2 years (adjusted for gender using z-score) was determined using regression analysis and by comparing z-scores for children with birth weight <10th versus >10th percentile.

English