Table 1.
Baseline characteristics
| Patient demographics (n = 70) | |
|---|---|
| Age, years | 69 (59–75) |
| Male patients, n (%) | 50 (71) |
| Height, cm | 166 (159–171) |
| Weight, kg | 65 (56–73) |
| Body surface area, m2 | 1.7 (1.6–1.9) |
| Body mass index, kg/m2 | 24 (22–26) |
| Hypertension, n (%) | 48 (69) |
| Dyslipidemia, n (%) | 39 (56) |
| Diabetes, n (%) | 22 (31) |
| Smoking history (former or current), n (%) | 18 (25) |
| Sinus rhythm, n (%) | 65 (93) |
| Characteristics of CCTA scanning | |
| Mean heart rate during CCTA scanning, bpm | 55 (51–61) |
| Tube voltage 100/120 kV, n (%) | 32 (45)/38 (55) |
| Tube current | |
| With 100 kV, mA | 315 (250–368) |
| With 120 kV, mA | 400 (260–565) |
| Total dose length product, mGy*cm | 62 (44–117) |
| Total effective radiation dose, mSv | 0.9 (0.6–1.6) |
| Contrast medium dose, mL | 48 (42–58) |
| Calcium score | 16 (0–180) |
CCTA, coronary computed tomography angiography