What question did this study set out to answer?

The study aims to examine the variation in trauma hospitalization costs among hospitals and whether these costs correlate with mortality outcomes.

Interfacility variation in trauma care costs without differences in mortality: A national retrospective cohort study

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Retrospective cohort study evaluates trauma care costs and mortality across hospitals, suggesting efficiency improvements are needed.

The study aims to examine the variation in trauma hospitalization costs among hospitals and whether these costs correlate with mortality outcomes.
Retrospective cohort study of trauma hospitalizations from the 2016–2021 National Inpatient Sample.
Analysis included hierarchical linear and logistic regression models to assess cost and mortality variation.
Identified high-cost hospitals based on risk-adjusted costs and performed subgroup analysis on severe injuries.
Out of 10,661,449 admissions, 8.1% were at high-cost hospitals (HCCs).
Hospital effects accounted for 13% of cost variability but only 3% of mortality variability.
HCCs showed no association with reduced mortality (OR 1.02; 95% CI 0.98–1.07), but had longer lengths of stay (β 0.77; 95% CI 0.64–0.90).

Coaston et al. (2026) studied this question.

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