Key result
Constructing and cross-validating efficiency-outcome plots for survival after coronary artery bypass grafting allows for localized risk stratification accounting for baseline cardiovascular risk.
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Proper risk adjustment using localized efficiency-outcome plots is essential for accurately assessing surgical quality and survival outcomes after CABG.
Mortality represents an important outcome measure following coronary artery bypass grafting. Shorter survival times may reflect poor surgical quality and an increased number of costly postoperative complications. Quality control efforts aimed at increasing survival times may be misleading if not properly adjusted for case-mix severity. This paper demonstrates how to construct and cross-validate efficiency-outcome plots for a specified time (e.g., 6-month and 1-year survival) after coronary artery bypass grafting, accounting for baseline cardiovascular risk factors. The application of this approach to regional centers allows for the localization of risk stratification rather than applying overly broad and non-specific models to their patient populations.
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Efird et al. (2014) studied Coronary artery bypass grafting. Efficiency-outcome plots for risk-adjusted survival was evaluated. Constructing and cross-validating efficiency-outcome plots for survival after coronary artery bypass grafting allows for localized risk stratification accounting for baseline cardiovascular risk.
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