Increased Long-Term Mortality among Black CABG Patients Receiving Preoperative Inotropic Agents

Efird, Jimmy T.; Griffin, William F.; Sarpong, Daniel F.; Davies, Stephen; Vann, Iulia; Koutlas, Nathaniel T.; Anderson, Ethan J.; Crane, Patricia B.; Landrine, Hope; Kindell, Linda C.; Iqbal, Zahra; Ferguson, T. Bruce; Chitwood, W. Randolph; Kypson, Alan P.

doi:10.3390/ijerph120707478

Cited by 5 publications

(1 citation statement)

References 36 publications

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“…In that connection, the impact of race/ethnicity on health services access, long-term risk factor control, and cardiovascular outcomes among patients has been the subject of intensive study for decades [75][76][77][78][79][80][81][82][83]. However, significant disparities in cardiovascular management have received less attention [84][85][86][87][88][89].…”

Section: Clinical Trialmentioning

confidence: 99%

Preventing Disparities: Bayesian and Frequentist Methods for Assessing Fairness in Machine-Learning Decision-Support Models

McNair¹

2018

New Insights Into Bayesian Inference

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Machine-learning (ML) methods are finding increasing application to guide human decision-making in many fields. Such guidance can have important consequences, including treatments and outcomes in health care. Recently, growing attention has focused on the potential that machine-learning might automatically learn unjust or discriminatory, but unrecognized or undisclosed, patterns that are manifested in available observational data and the human processes that gave rise to them, and thereby inadvertently perpetuating and propagating injustices that are embodied in the historical data. We applied two frequentist methods that have long been utilized in the courts and elsewhere for the purpose of ascertaining fairness (Cochran-Mantel-Haenszel test and beta regression) and one Bayesian method (Bayesian Model Averaging). These methods revealed that our ML model for guiding physicians' prescribing discharge beta-blocker medication for post-coronary artery bypass patients do not manifest significant untoward race-associated disparity. The methods also showed that our ML model for directing repeat performance of MRI imaging in children with medulloblastoma did manifest racial disparities that are likely associated with ethnic differences in informed consent and desire for information in the context of serious malignancies. The relevance of these methods to ascertaining and assuring fairness in other ML-based decision-support model-development and-curation contexts is discussed.

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