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Outcomes for children hospitalized with abusive versus noninflicted abdominal trauma
Wendy Gwirtzman Lane1, Irwin Lotwin, Howard Dubowitz
1Department of Epidemiology and Public Health, University of Maryland School of Medicine, Baltimore, MD 21201, USA. wlane@epi.umaryland.edu
Insights
Children hospitalized for abusive abdominal trauma (AAT) face longer stays and higher costs. AAT also leads to increased mortality in children aged 1-9 compared to non-abusive injuries.
Area of Science:
- Pediatric trauma research
- Child abuse and neglect studies
- Public health and epidemiology
Background:
- Abusive abdominal trauma (AAT) is a significant cause of mortality in children.
- Previous research on AAT outcomes was limited to trauma center data.
Purpose of the Study:
- To analyze mortality, hospitalization duration, and costs for children with AAT using a national dataset.
- To compare outcomes of AAT with non-abusive abdominal trauma in children.
Main Methods:
- Utilized data from the 2003 and 2006 Kids' Inpatient Database for children aged 0-9 years.
- Identified AAT cases using ICD-9-CM and external cause of injury codes.
- Employed multivariable regression to compare outcomes between AAT and non-inflicted injuries.
Main Results:
- Children with AAT were younger and more frequently insured by Medicaid.
- AAT patients had longer hospitalizations (7.9 vs 6.4 days) and higher charges ($24,343 vs $19,341).
- Mortality was higher for AAT in children aged 1-9 (9.2% vs 2.7%), with no significant difference in infants.
Conclusions:
- Children hospitalized for AAT experience worse short-term outcomes than those with non-abusive trauma.
- Further research is needed to understand these outcome disparities.
- Prevention efforts and support for at-risk families are crucial for addressing AAT.
Background:
Abusive abdominal trauma (AAT) is the second leading cause of child abuse mortality. Previous outcome studies have been limited to data from trauma centers.
Objectives:
The goals of this study were (1) to examine mortality, length of hospitalization, and hospital charges among a national sample of children hospitalized for AAT; and (2) to compare these outcomes with children with noninflicted abdominal trauma.
Methods:
Hospitalization data for children aged 0 to 9 years were obtained from the 2003 and 2006 Kids' Inpatient Database. Cases were identified using International Classification of Diseases, Ninth Revision, Clinical Modification and external cause of injury codes. Multivariable regression analyses were used to compare outcomes of children with AAT versus those with noninflicted injury.
Results:
Children with AAT were younger, and more often insured by Medicaid. Among children surviving to discharge, those with AAT had longer hospitalizations (adjusted mean [95% confidence interval (CI)] length of stay: 7.9 (6.6-9.3) vs 6.4 (6.1-6.7) days, P < .01) and higher charges (adjusted mean [95% CI] costs: $24 343 [$20 952-$28 567] vs $19 341 [$18 770-$20 131]; P < .01). Among children aged 1 to 9 years, those with AAT had higher mortality (adjusted rate [95% CI]: 9.2% [5.0%-16.1%] vs 2.7% [2.2%-3.2%], P < .01). There was no significant difference in mortality for children aged younger than 1 year.
Conclusions:
Children hospitalized for AAT generally had poorer short-term outcomes compared with children with noninflicted abdominal trauma. Studies to explain these differences are needed. In addition, efforts to prevent these injuries and to assist families at risk should be supported.
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