A comparison of the National Registry of Myocardial Infarction 2 with the Cooperative Cardiovascular Project
Nathan R. Every, MD, MPH, FACC*
,
Paul D. Frederick, MPH, MBA
,
Michael Robinson, MD
,
Jonathan Sugarman, MD, MPH
,
Laura Bowlby, RN, MBA|| and
Hal V. Barron, MD, FACC|| ¶
* Northwest Health Services Research and Development Program, Puget Sound VA Healthcare System, Seattle, Washington, USA
University of Washington, Seattle, Washington, USA
Nuffield Institute for Health, Leeds, United Kingdom
PRO-West, Seattle, Washington, USA
|| Genentech Inc., South San Francisco, California, USA
¶ University of California, San Francisco, San Francisco, California, USA

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Figure 1 The association between key variables collected in both the CCP and NRMI 2 and hospital death. Odds ratios and 95% confidence intervals were calculated independently in each database using patients included in the hospital-level comparison. Although there was no individual patient matching, the odds of death calculated for each variable in each cohort were similar.
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Copyright © 1999 by the American College of Cardiology Foundation.