Fig. 1From: Comparison of diagnostic performance of four software packages for phase dyssynchrony analysis in gated myocardial perfusion SPECTThe box-and-whisker plots of bandwidth (a), phase SD (b), and entropy (c) in patients with normal perfusion and cardiac function (n = 122). These phase parameters were computed with QGS, ECTb, 4DM, and cREPO. SD standard deviation, QGS quantitative gated SPECT, ECTb Emory Cardiac Toolbox, 4DM Corridor 4DM, cREPO cardioREPOBack to article page