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The average relative cost-effectiveness of cardiac imaging when compared with pharmacologic stress echocardiography. cTn-I = troponin I; cTnT : troponin T; ex-ECG = exercise electrocardiography; ex-Echo = exercise echocardiography; PhSE = pharmacologic stress echocardiography; ex-SPECT = myocardial exercise stress single-photon emission computed tomography with technetium Tc 99m sestamibi; CA = coronary angiography.
