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Figure 2 Impact of CTCA on Various Estimated Pretest Probabilities of Significant CAD
1Estimated using Duke Clinical Score (including Diamond-Forrester criteria and prognostic clinical variables); 2based on conventional coronary angiography ( 1 significant coronary stenosis as determined by quantitative coronary angiography); 3calculated using Bayesian statistics (post-test odds = pretest odds x likelihood ratio). CAD = coronary artery disease; CTCA = computed tomography coronary angiography; Est = estimated; Obs = observed.
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