Introduction: Area-based social determinants of health (SDoH) associated with disparities in children's surgical outcomes are not well understood, though some may be risk factors modifiable by public health interventions.
Methods: This retrospective cohort study investigated the effect of high social vulnerability index (SVI), defined as ≥90th percentile, on postoperative outcomes in children classified as ASA 1-2 who underwent surgery at a large institution participating in the National Surgical Quality Improvement Program (2015-2021). Primary outcome was serious postoperative complications, defined as postoperative death, unplanned re-operation, or readmission at 30 days after surgery.
Results: Among 3278 pediatric surgical procedures, 12.1% had SVI in the ≥90th percentile. Controlling for age, sex, racialization, insurance status, and language preference, serious postoperative complications were associated with high overall SVI (odds ratio [OR] 1.58, 95% confidence interval [CI] 1.02-2.44) and high socioeconomic vulnerability (SVI theme 1, OR 1.75, 95% CI 1.03-2.98).
Conclusion: Neighborhood-level socioeconomic vulnerability is associated with worse surgical outcomes in apparently healthy children, which could serve as a target for community-based intervention.
Keywords: Health equity; Healthcare access; Pediatric surgery; Postoperative outcomes; Social determinants of health.
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