Article: Researchers from Drexel University discuss findings in pediatrics.

According to recent research from the United States, " To evaluate the utility of weight-for-length (defined as gm/em(3), known as the ''ponderal index'') as a complementary measure of growth in infants in neonatal intensive care units (NICUs). Study design This was a secondary analysis of infants (n = 1214) of gestational age 26 to 29 weeks at birth, included in a registry database (1991-2003), who had growth data at birth and discharge."

"Weight-for-age and weight-for-length were categorized as small( <10th percentile), appropriate, or large (>90th percentile). Statistical agreement between the weight-for-age and weight-for-length measures was poor (kappa = 0.02 at birth, 0.10 at discharge; Bowker ...

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