Percutaneous coronary interventions in octogenarians in the American College of CardiologyNational Cardiovascular Data Registry
Development of a nomogram predictive of in-hospital mortality
Lloyd W. Klein, MD, FACC*,*,
Peter Block, MD, FACC ,
Ralph G. Brindis, MD, FACC ,
Charles R. McKay, MD, FACC ,
Ben D. McCallister, MD, FACC||,
Michael Wolk, MD, FACC¶,
William Weintraub, MD, FACC ACCNCDR Registry*  ¶¶
* Rush-Presbyterian-St. Lukes Medical Center, Chicago, Illinois, USA
Emory University, Atlanta, Georgia, USA
Kaiser Permanente, San Francisco, California, USA
University of Iowa, Iowa City, Iowa, USA
|| Mid-America Heart Institute, Kansas City, Missouri, USA
¶ Weill Medical College of Cornell University, New York, New York, USA

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Figure 1 Mortality in all octogenarians, those without a prior acute myocardial infarction and those with a prior acute myocardial infarction (MI) within 6 h, 6 to 24 h and between one and seven days from the onset of the infarction to percutaneous coronary intervention.
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Figure 2 Correlation of the predicted probability of death from the logistic model with the observed probability of death.
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Figure 3 Correlation between predicted probability of mortality and actual mortality riskunimputed data model.
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