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
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 |