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Figure 5 Scattergraph shows raw data of all corrected percent area stenoses correspondent to each mean reference percent area stenosis. The dotted line and solid line (Y = 0.24X + 66.0) indicate the cutoff value and line, which discriminates the SPECT (+) group from the SPECT () group. SPECT, single-photon emission computed tomography. Open circle = SPECT (+); solid circle = SPECT ().
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