CT coronary angiography and exercise ECG in a population with chest pain and low-to-intermediate pre-test likelihood of coronary artery disease

177 consecutive patients (88 men, 89 women, mean age 53.5±7.6 years) with chest pain and low-to-intermediate pre-test likelihood of coronary artery disease (CAD)

64-slice CT coronary angiography (CT-CA)

Exercise ECG (ex-ECG)

Diagnostic accuracy (sensitivity, specificity, positive and negative predictive values) for the detection of significant coronary artery stenosis (≥50% lumen diameter reduction) using invasive coronary angiography (ICA) as the reference standardsurrogate