Peter W. Groeneveld, MD
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Groeneveld PW. Sex Differences in Revascularization. Ann Intern Med. 2003;138:237. doi: 10.7326/0003-4819-138-3-200302040-00022
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Published: Ann Intern Med. 2003;138(3):237.
TO THE EDITOR:
The excellent study of sex and coronary revascularization by Ghali and colleagues (1) highlights an important question facing those who use observational data to investigate ethnic and gender disparities: Are administrative databases sufficiently detailed to control for potential confounders in the relationship of ethnicity and sex to health outcomes? Ghali and colleagues found that the addition of two essential clinical predictor variables (extent of coronary disease and ejection fraction) to a multivariate analysis of administrative data produced an unbiased assessment of the effect of sex on revascularization. Although this demonstrates the inadequacy of some administrative data for the assessment of a particular disease–outcome relationship, it does not necessarily imply that all disparity studies based on administrative data are inherently flawed. Rather, if any database contains adequate information on all reasonable covariates, outcomes analyses based on such data may produce useful results.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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