Table 1 Patient characteristics

all patients

n = 748;

- age [years]

47.0 ± 12.3 (range: 8-85)

gender

male:

n = 389; 52.0%

female:

n = 359; 48.0%

age [years]

male:

45.8 ± 13.0 (range: 8-81);

female:

48.3 ± 11.3 (range:19-85); sig. (p = 0.0018)

indication for MDCT:

- chest pain:

n = 726; 97.1%; (n = 6 with known CAA)

- abnormal stress test:

n = 21; 2.8%

- syncope:

n = 1; 0.1%; (with known CAA)

CAA-patients

n = 17;

- age [years]

43.1 ± 19.1 (range: 15-73); n.s. (p = 0.3232)

gender

male:

n = 12; 70.6%

female:

n = 5; 29.4%

age [years]

male:

40.4 ± 18.9 (range: 15-64);

female:

49.6 ± 20.1 (range: 19-73); n.s. (p > 0.10)

heart rate during scan [bpm]

59.4 ± 8.1 (range: 45-73)

estimated radiation exposure [mSv]

22.4 ± 4.6 (range: 11.5-28.8)

Betablocker

n = 17;

Nitroglycerin

n = 17;