The Prognostic Importance of Nonsignificant Left Main Coronary Artery Disease in Patients Undergoing Percutaneous Coronary Intervention
Gabor Gyenes, MD, PhD*,*,
Fiona M. Shrive, BSc ,
Michelle M. Graham, MD, FRCP(C)*,
William A. Ghali, MD, FRCP(C) ,
Merrill L. Knudtson, MD, FCRP(C) for the APPROACH Investigators1
* University of Alberta, Edmonton, Alberta, Canada
University of Calgary, Calgary, Alberta, Canada.

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Figure 1 Seven-year crude survival of percutaneous coronary intervention patients with no left main coronary artery disease (LMCAD) versus percutaneous coronary intervention patients with "nonsignificant" (i.e., <50%) LMCAD. Thin line = no LMCAD; thick line = LMCAD <50%.
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Figure 2 Seven-year risk-adjusted survival of percutaneous coronary intervention patients with no left main coronary artery (LMCAD) disease versus percutaneous coronary intervention patients with <50% LMCAD. Solid line = LMCAD <50%; dashed line = no LMCAD.
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