Risk factors and outcomes in preterm versus full-term infants with abusive head trauma: A retrospective comparative

Erin Klements1, Robin L Peterson1, William A Anastasiadis1

  • 1Children's Hospital Colorado, 13123 E 16th Ave, Aurora, CO 80045, United States; Department of Physical Medicine and Rehabilitation, University of Colorado School of Medicine, 12631 East 17th Avenue, Aurora, CO 80045, United States.

Child Abuse & Neglect
|September 2, 2025
PubMed

Insights

Premature birth increases abusive head trauma (AHT) risk. Age-corrected developmental scores were higher in preterm infants with AHT, despite similar demographics and family factors compared to term infants.

Area of Science:

  • Pediatric Medicine
  • Neurology
  • Child Development

Background:

  • Premature birth is a known risk factor for abusive head trauma (AHT).
  • Limited research exists comparing AHT outcomes in preterm versus term infants.
  • Understanding these differences is crucial for early intervention and care.

Purpose of the Study:

  • To investigate demographic, family, and contextual variations between preterm and term infants diagnosed with AHT.
  • To compare developmental outcomes, specifically using the Bayley Scales of Infant Development, in these two infant groups.
  • To identify potential disparities in AHT presentation and prognosis based on gestational age.

Main Methods:

  • A retrospective chart review was conducted on 403 AHT patients (70 preterm) treated between 2012 and 2020.
  • Statistical analyses included independent samples t-tests, chi-square tests, and binary logistic regression to compare groups.
  • Bayley Scales of Infant Development scores (corrected and uncorrected for gestational age) were analyzed using repeated measures ANOVA.

Main Results:

  • Preterm infants exhibited significantly lower height and weight percentiles but showed no other demographic or family/contextual differences compared to term infants.
  • Age-corrected Bayley scores were numerically higher in preterm infants than term infants.
  • Significant increases in corrected versus uncorrected Bayley scores were observed in preterm infants across Cognitive, Expressive Language, Fine Motor, and Gross Motor domains.

Conclusions:

  • No significant demographic or family/contextual differences were found between preterm and term infants with AHT.
  • Age-corrected developmental assessments reveal higher performance in preterm infants with AHT compared to uncorrected scores.
  • These findings highlight the importance of gestational age correction when evaluating developmental outcomes in preterm infants affected by AHT.
Abstract