Evaluation of appropriateness of second-generation 320-row computed tomography for coronary artery disease

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Table 3 Most common indications under 2010 appropriate use criteria

2010 AUC: most frequent indications
Non-acute symptoms possibly representing an ischemic equivalent– interpretable ECG AND able to exercise–intermediate pretest probability (A)	45 (14.6%)
Reduced left ventricular ejection fraction–low or intermediate pretest probability (A)	25 (8.1%)
CTA after prior stress imaging procedure deemed equivocal (A)	18 (5.8%)
Non-acute symptoms possibly representing an ischemic equivalent–uninterpretable ECG OR unable to exercise (A)	18 (5.8%)
Global CHD risk estimate–asymptomatic/no known CAD–low or intermediate pretest probability (I)	16 (5.2%)

Note _ A, appropriate; AUC, appropriate use criteria; CAD, coronary artery disease; CHD, coronary heart disease; CTA, computed tomography angiography; ECG, electrocardiogram; I, inappropriate; PCI, prior percutaneous coronary intervention; U, uncertain.