Validated risk stratification model accurately predicts low risk in patients with unstable angina
James E. Calvin, MD, FRCPC, FACCa,
Lloyd W. Klein, MD, FACPa,
Elizabeth J. VandenBerg, MSa,
Peter Meyer, PhDa and
Joseph E. Parrillo, MD, FACPa
a Section of Critical Care Medicine, Section of Cardiology, Rush-Presbyterian-St. Lukes Medical Center, Chicago, Illinois, USA

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Figure 1 Percentage of patients in low, medium and high risk groups for each model. Open bar = RUSH; solid bar = AHCPR.
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