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. Author manuscript; available in PMC: 2017 Mar 20.
Published in final edited form as: JACC Cardiovasc Interv. 2014 Dec 10;8(1 Pt A):10–16. doi: 10.1016/j.jcin.2014.07.025

FIGURE 1. Study Sample Selection Diagram.

FIGURE 1

The flow diagram shows the derivation of the study population. NCDR = National Cardiovascular Data Registry; PCI = percutaneous coronary intervention.