Prevalence and Severity of Coronary Artery Disease and Adverse Events Among Symptomatic Patients With Coronary Artery Calcification Scores of Zero Undergoing Coronary Computed Tomography Angiography

Todd C. Villines, MD,* Edward A. Hulten, MD, MPH,* Leslee J. Shaw, PHD,† Manju Goyal, MD,* Allison Dunning, MS,‡ Stephan Achenbach, MD,§ Mouaz Al-Mallah, MD, MSC, Daniel S. Berman, MD,¶ Matthew J. Budoff, MD,# Filippo Cademartiri, MD, PHD,** Tracy Q. Callister, MD,†† Hyuk-Jae Chang, MD, PHD,‡‡ Victor Y. Cheng, MD,¶ Kavitha Chinnaiyan, MD,§§ Benjamin J. W. Chow, MD, Augustin Delago, MD,¶¶ Martin Hadamitzky, MD,## Jörg Hausleiter, MD,## Philipp Kaufmann, MD,*** Fay Y. Lin, MD,††† Erica Maffei, MD,** Gilbert L. Raff, MD,§§ James K. Min, MD,‡‡‡ for the CONFIRM Registry Investigators Bethesda, Maryland; Atlanta, Georgia; Albany and New York, New York; Giessen, Germany; Detroit and Royal Oaks, Michigan; Los Angeles, California; Parma, Italy; Rotterdam, the Netherlands; Hendersonville, Tennessee; Seoul Korea; Ottawa, Ontario, Canada; Munich, Germany; and Zurich, Switzerland