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FIGURE 2. (A) Receiver operator characteristic curve for segmental systolic wall thickening as obtained by gated SPECT versus the gold standard echocardiography. Area under the curve = 0.895. For a cutoff value of 33%, sensitivity and specificity are 79% and 99%, respectively. (B) Receiver operator characteristic curve for segmental systolic wall motion (mm) as obtained by gated SPECT versus the gold standard echocardiography. Area under the curve = 0.710. For a cutoff value of 40%, sensitivity and specificity are 50% and 90%, respectively.
