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Table 2 Characteristics of the patient population who underwent cardiac CT for the evaluation of coronary artery disease; pre and post publication of the appropriate use criteria

From: Appropriate utilization of cardiac computed tomography for the assessment of stable coronary artery disease

  Pre-AUC n = 889 Post-AUC n = 1688 P value
Age (mean ± SD in years) 59.6 ± 12.1 59.7 ± 12.7 0.91
Female sex (%) 49.5 46.0 0.11
Cardiac risk factors
 Family history of CAD (%) 19.0 20.7 0.30
 Active smoker (%) 15.3 13.5 0.21
 Diabetes (%) 41.0 44.7 0.07
 Dyslipidemia (%) 37.9 37.4 0.79
 Hypertension (%) 19.4 18.5 0.62
 Newly diagnosed systolic heart failure (%) 10.0 8.5 0.19
 Prior history of cerebrovascular or peripheral vascular disease (%) 15.9 17.1 0.41
Chest pain    0.95
 Typical (%) 20.9 20.4  
 Atypical (%) 66.3 66.7  
 No chest pain (%) 12.7 43.7  
Atrial fibrillation (%) 9.2 11.7 0.05
History of sustained ventricular tachycardia (%) 0.8 1.1 0.41
Abnormal prior stress test (%) 24.1 21.4 0.12