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What Conclusions Should Be Drawn between Critical Care Physician Management and Patient Mortality in the Intensive Care Unit?
- Marya D. Zilberberg, MD; and
- Andrew F. Shorr, MD, MPH
- From University of Massachusetts Amherst, Amherst, MA 01003, and Washington Hospital Center, Washington, DC 20010.
TO THE EDITOR:
In their study, Levy and colleagues (1) have reported that, on the basis of the data from Project IMPACT, patients managed by intensivists have a higher risk for hospital death than those managed by a non–critical care specialist. Although the authors tried earnestly to remove some of the confounding and heterogeneity by applying adjustments for propensity scores and other variables, they have rightfully acknowledged the possibility of residual …
