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Published online before print July 17, 2003, 10.1148/radiol.2283021006
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Prognostic Value of Cardiac Risk Factors and Coronary Artery Calcium Screening for All-Cause Mortality1

Leslee J. Shaw, PhD, Paolo Raggi, MD, Enrique Schisterman, PhD, Daniel S. Berman, MD and Tracy Q. Callister, MD

1 From the American Cardiovascular Research Institute, Atlanta, Ga (L.J.S.); Division of Cardiology, Tulane University School of Medicine, 1430 Tulane Ave, SL48, New Orleans, LA 70112 (P.R.); Cedars-Sinai Medical Center, Los Angeles, Calif (E.S., D.S.B.); and EBT Research Foundation, Nashville, Tenn (T.Q.C.). Received August 14, 2002; revision requested October 15; final revision received March 11, 2003; accepted March 20. Address correspondence to P.R. (e-mail: praggi@tulane.edu).



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  		Figure 1. Graph shows unadjusted all-cause survival according to calcium score subsets. Survival rate is proportionally worse as the baseline calcium score increases.

 


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  		Figure 2. Graph shows risk-adjusted all-cause survival estimates according to calcium score subsets. Even after adjustment, survival rate is proportionally worse as the baseline calcium score increases.

 


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  		Figure 3. Graph shows ROC curves for comparison of estimated Framingham risk and coronary calcium scores for estimation of all-cause mortality. Az for coronary calcium is larger than Az for Framingham risk index (P < .001).

 


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  		Figure 4. Graph shows risk stratification for each category of Framingham risk (from low to high) according to baseline calcium score. Event rate is predicted mortality at 5 years.

 




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