Why the study?
Does higher hospital volume reduce in-hospital mortality differently by race in patients undergoing CABG?
Population
71,949 patients undergoing coronary artery bypass grafting procedures between 2002 and 2005 at 93 academic…
Comparison
CABG at higher-volume hospitals vs CABG at very low-volume hospitals (<100/yr)
Design
Cohort
Follow-up
In-hospital
Authors
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Black patients may derive greater CABG mortality benefit from higher-volume hospitals than whites; this observational interaction is hypothesis-generating and requires prospective confirmation.
Does higher hospital volume reduce in-hospital mortality differently by race in patients undergoing CABG?
Black patients experience a significantly greater reduction in in-hospital mortality than white patients when undergoing CABG at higher-volume hospitals.
Kim et al. (2008) studied this question.
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