The receiver operating characteristic analysis using varying magnetic resonance imaging (MRI) upslope and peak-intensity flow indices as threshold for the detection of severe coronary artery stenosis (>75%). AUC=area under the curve; Sens.=sensitivity; Spec.=specificity.

Reprinted from the Journal of the American College of Cardiology, v. 39, Ibrahim T, Nekolla SG, Schreiber K, Odaka K, Volz S, Mehilli J, Guthlin M, Delius W, Schwaiger M. Assessment of coronary flow reserve: comparison between contrast enhanced magnetic resonance imaging and positron emission tomography, 864-870, Copyright 2002, with permission from the American College of cardiology Foundation.