Key result
Female sex and Black race remain linked to higher CABG mortality despite faster annual declines.
Why the study?
How have CABG utilization and post-CABG outcomes evolved across different sex and racial subgroups over time?
Population
1,863,719 fee-for-service Medicare beneficiaries aged ≥65 years undergoing CABG in the United States from…
Comparison
Female sex and Black race (exposures) vs Male sex and White race
Design
Cohort
Follow-up
Up to 1 year
Authors
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Persistent CABG mortality disparities by sex and race despite greater declines; extends prior observations and leaves open mechanisms for targeted study.
Observational (n=1,863,719)
Yes
How have CABG utilization and post-CABG outcomes evolved across different sex and racial subgroups over time?
Absolute Event Rate: -2.7% vs -2.44%
p-value: p=0.02
Despite greater relative improvements in post-CABG mortality over time, women and black patients continue to experience higher mortality rates than men and white patients.
Angraal et al. (2018) conducted an observational in Coronary Artery Disease requiring CABG (n=1,863,719). Female sex vs. Male sex was evaluated on Adjusted annual change in in-hospital mortality (95% CI -2.97 to -2.44, p=0.02). Women and black patients had persistently higher CABG mortality than men and white patients, respectively, despite experiencing greater annual declines in mortality over the 15-year period.
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