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Table 2 Diagnostic performance of CS using different thresholds compared to SPECT-MPI

From: SPECT myocardial perfusion imaging as an adjunct to coronary calcium score for the detection of hemodynamically significant coronary artery stenosis

  Sensitivity Specificity PPV NPV DA
CS =0 99.2% 30.3% 46.5% 98.5% 56.4%
CS <10 93.2% 52.8% 54.6% 92.7% 68.1%
CS <100 81.2% 83.5% 75.0% 87.9% 82.6%
CS <400 40.6% 95.4% 84.4% 72.5% 74.6%
SPECT-MPI 88.0% 85.8% 79.1% 92.1% 86.6%