Table 2.

Coronary CTA, scan characteristics and results

Number of patients, n	48
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 %)