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Racial Differences in Prevalence of Coronary Obstructions Among Men With Positive Nuclear Imaging Studies

Jeff Whittle, MD, MPH^_*,,_*, Nancy R. Kressin, PhD^,, Eric D. Peterson, MD, MPH^||, Michelle B. Orner, MPH, Mark Glickman, PhD^,, Marco Mazzella, MD^¶ and Laura A. Petersen, MD, MPH^#,_**

^_* Primary Care Division, Clement J. Zablocki VA Medical Center, Milwaukee, Wisconsin
Department of Medicine, Division of General Internal Medicine, Medical College of Wisconsin, Milwaukee, Wisconsin
Center for Health Quality, Outcomes and Economic Research, Bedford VA Medical Center, Bedford, Massachusetts
Health Services Department, Boston University School of Public Health, Boston, Massachusetts
^|| Duke Clinical Research Institute, Duke University School of Medicine, Durham, North Carolina
^¶ Division of Cardiology, Kansas University Medical Center, Kansas City, Kansas
^# Division of Health Policy and Quality, Houston Center for Quality of Care and Utilization Studies, Houston VA Medical Center, Houston, Texas
^_** Section of Health Services Research, Department of Medicine, Baylor College of Medicine, Houston, Texas

View larger version (13K): [in a new window]   Figure 1 Relationship of race to severity of coronary artery disease. The distribution of the severity of coronary artery disease is significantly different between African Americans (AA) (solid bars) and whites (open bars), p = 0.01, by Mantel-Haenszel chi-square test for trend: Severe = left main or all three coronary artery systems with significant obstructions; Moderate = one or two systems with obstructions, including the proximal left anterior descending; Mild = one or two systems with obstructions, not including the proximal left anterior descending; None = no obstruction 70%.