Table 2 Coronary CTA, scan characteristics and results

Intravenous β-blocker given, n (%)

18 (37.5 %)

Heart rate during scan, mean ± SD (range)

63.7 ± 7.6 (49–88)

Radiation dose (mSv), mean ± SD (range)

3.8 ± 0.7 (2.5–5.0)

Agatston score, mean ± SD (range)

269.0 ± 292.8 (0–976)

Image quality per segment, n (%)

1. Good

2. Adequate

3. Decreased

420 (71 %)

132 (23 %)

36 (6 %)

Degree of calcifications per segment, n (%)

1. None

2. Minor

3. Severe

374 (64 %)

171 (29 %)

43 (7 %)