Congenital heart diseaseCohort study

Impact of Social Determinants of Health on Predictive Models for Outcomes After Congenital Heart Surgery

J Am Coll CardiolPublished

  • Retrospective cohort study
  • multicentre

Authors' conclusion

Although indiscriminate inclusion of social determinants in clinical risk modeling can conceal inequities, thoughtful consideration can help centers understand their performance across populations and guide efforts to improve health equity.

Study context

Population
Congenital heart surgeries across New York State, 2006–202112,321 cases at 8 centers
Participants
10,271 surgeries
Exposure
Risk models with vs without social determinants of health
Outcome
Operative and longitudinal mortality; risk model performance

Main finding

As reported in the abstract

Model predictive performance and discrimination

Operative model performance, before to after inclusion

0.834-0.844

Longitudinal model performance, before to after inclusion

0.808-0.811

More survivors appropriately risk classified with inclusion

10.0%

More mortalities appropriately risk classified with inclusion

4.8%

Observational data: associations, not effects.

Further findings

Mortality (single cohort)

Died in hospital or before 30 days
327 (2.7%)
Died by December 31, 2021
314
Total deaths
641; 6.2%

Center performance classification

Centers changing performance classification category (wide site variation in reclassification)
2 of 8

Original publication

Impact of Social Determinants of Health on Predictive Models for Outcomes After Congenital Heart Surgery. J Am Coll Cardiol. Published 18 June 2024. doi:10.1016/j.jacc.2024.03.430

Summarised from the published abstract; every number is checked against it