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The Association Between Preoperative Anemia and 30-Day Mortality and Morbidity in Noncardiac Surgical Patients
86
Zitationen
6
Autoren
2013
Jahr
Abstract
Preoperative anemia appears to be associated with baseline diseases that markedly increase mortality. Anemia per se is a rather weak independent predictor of postoperative mortality. Our analysis also illustrates how analyzing large variable-rich registries challenges investigators to discriminate between confounding variables and mediator variables, i.e., factors that might be considered as "causal pathways" for the effect of the exposure or intervention on outcome.
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