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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