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Comparing physician-specific two-year patient outcomes after coronary angiography

Methodologic issues and results

Stephen G. Ellis, MD, FACC^*, Dave Miller, MS, Thomas F. Keys, MD , Kimberly Brown, RN^*, Renee Ellert, RN^*, Georgiana Howell^*, A. Michael Lincoff, MD, FACC^* and Eric J. Topol, MD, FACC^*

^* Department of Cardiology, the Cleveland Clinic Foundation, Cleveland, Ohio, USA
Department of Biostatistics and Epidemiology, the Cleveland Clinic Foundation, Cleveland, Ohio, USA
Office of Quality Management, the Cleveland Clinic Foundation, Cleveland, Ohio, USA
Ischemia Research and Education Foundation, San Francisco, California, USA

View larger version (23K): [in a new window]   Figure 1 Subjectivity of selected candidate covariates and end points. Point estimates and 95% confidence limits for selected variables (1 = most objective; 5 = most subjective) are shown. CABG in this figure refers to CABG as a complication of PCI.

View larger version (26K): [in a new window]   Figure 2 Calibration of the models for (A) long-term survival and (B) long-term loge cost. Patients were divided into quintiles based upon predicted outcome; actual and predicted values are shown for each quintile.

View larger version (12K): [in a new window]   Figure 3 Two-dimensional graphic representation of three selected physician-specific outcomes for relative risk of long-term death and the relative risk of long-term log cost. Point estimates and 95% confidence limits are shown.