ArticleJournal of perinatology : official journal of the California Perinatal Association2026
Defining growth faltering and malnutrition among very preterm infants in a neonatal intensive care unit.
Article in Journal of perinatology : official journal of the California Perinatal Association, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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6 authors.
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Abstract
objectiveAmong infants born very preterm (≤32 weeks' gestation), we compared weight-for-age ≤10th percentile (10%ile) at 36 weeks to malnutrition guidelines using z-score changes and evaluated predictors of malnutrition. STUDY
designInfants (extremely low birthweight (ELBW) n = 699; very low birthweight (VLBW) n = 878) were classified using (1) ≤10%ile and (2) malnutrition categories with z-score changes. Multiple logistic regression identified predictors of malnutrition.
results13% of ELBW (n = 91) and 15% of VLBW (n = 131) infants were classified as moderately/severely malnourished by losses of z-scores while weighing >10%ile. Infants with chronic lung disease and/or who had any ventilator use had an increased risk of moderate/severe malnutrition with z-scores. Notably, a loss of ≤0.8 z-scores was not associated with any postnatal clinical risk factors.
conclusionThe use of ≤10%ile for weight-for-age as a cut-off to identify growth concerns at 36 weeks postmenstrual age misclassified many preterm infants compared to malnutrition categories using z-scores.
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