Table 1.
Baseline characteristics of clinical and scan parameters are given.
| Mean ± SD or N (%) | |
|---|---|
| Age (years) | 58.4 ± 13.7 |
| Male gender | 60 (65%) |
| History of CAD | 8 (8.9%) |
| History of stenting | 4 (4.3%) |
| History of coronary artery bypass graft (CABG) | 0 |
| History of myocardial infarction (MI) | 0 |
| Hyperlipidemia | 38% |
| Hypertension | 59% |
| Smoking | 17% |
| Diabetes mellitus | 14% |
| BMI (kg/m²) | 26.9 ± 5.9 |
| Agatston score | 172.3 ± 428.5 |
| kV average (kV) | 120 ± 0 |
| Effective mAs (mAs) | 52.5 ± 29.6 |
| CTDI.vol (mGy) | 16.4 ± 25.3 |
| Dose length product (mGy.cm) | 234.1 ± 347.6 |
| Effective dose (mSv) | 3.51 ± 5.21 |
| Contrast volume (mL) | 70.9 ± 8.3 |
| Contrast flow (mL/s) | 5.3 ± 0.5 |
| Received beta-blockers | 72 (78%) |
| Average heart rate (bpm) | 63.8 ± 13.6 |
| Minimum heart rate (bpm) | 62.8 ± 29.3 |
| Maximum heart rate (bpm) | 68.1 ± 19.3 |
| HR variability | 0.095 ± 0.285 |
| Right coronary artery dominance | 61 (66%) |
| Co-dominance of coronary arteries | 18 (20%) |
| Left coronary artery dominance | 13 (14%) |