Table 1.

Patient demographics

Age (year)	51.5 ± 14.4 (15–84)
Gender (M:F)	59:34
Weight (kg)	77.3 ± 16.9 (49–133)
BMI (kg m−2)	26.6 ± 4.8 (18–42)
Heart rate at CT scan (bpm)	56.3 ± 6.5 (42–80)
Iodinated contrast amount (ml)	67.2 ± 7.6 (50–80)
Effective dose (mSv, k = 0.014 mSv mGy−1 cm−1)a	4.3 (1.7–6.4)
Clinical indication
Chest pain	57
Pre-operative evaluation	9
Known CAD or post-PCI	7
Known other coronary diseasesb	6
Heart failure	5
Equivocal or abnormal stress test	5
Anomalous coronary artery	4

Continuous values expressed as mean ± SD (range)

CAD coronary artery disease, PCI percutaneous coronary intervention

^aExpressed as median (interquartile range)

^bFistula, dissection, and aneurysm