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. Author manuscript; available in PMC: 2018 Jun 5.
Published in final edited form as: J Cardiovasc Comput Tomogr. 2011 Oct 31;5(6):459–466. doi: 10.1016/j.jcct.2011.10.011

Figure 1.

Figure 1

Inclusion/exclusion criteria and image randomization process: 50 subjects underwent initial feasibility trial of CTP, of which subjects were excluded because of QCA not being performed (n = 7), or discordance between defect territory between QCA and SPECT (n = 24). Of the remaining 19 subjects, 7 served as controls (ie, no significant defects at SPECT or no evidence of stenosis > 50% by QCA), and 12 served as positive cases (≥ 50% QCA, with a matching, at least moderate perfusion defect in the same territory at SPECT).