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Table 2 Category of cardiac CT indications under 2010 appropriate use criteria

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

Category N (%)
Detection of CAD in symptomatic patients without known heart disease 92 (29.8%)
Detection of CAD/risk assessment 18 (5.8%)
Detection of CAD in other clinical scenarios 48 (15.5%)
Use of CTA in the setting of prior test results 39 (12.6%)
Risk assessment preoperative evaluation of non-cardiac surgery without acute cardiac condition 46 (14.9%)
Risk assessment post revascularization (PCI or CABG) 38 (12.3%)
Evaluation of cardiac structure and function 15 (4.9%)
Not classifiable 13 (4.2%)
  1. Note _CABG, coronary artery bypass graft; CAD, coronary artery disease; CTA, computed tomography angiography; PCI, percutaneous coronary intervention.