Table 1.
Participants’ characteristics and stent information
| Characteristics | Values |
|---|---|
| Participant characteristics | |
| Number of participants | 18 (100%) |
| Age (years) | 82.6 ± 5.9 |
| Sex | |
| Females | 12 (66.7%) |
| Males | 6 (33.3%) |
| Weight (kg) | 74.4 ± 11.4 |
| BMI (kg/m2) | 25.7 ± 3.0 |
| Cardiovascular risk factors | |
| History of myocardial ischemia | 3 (16.7%) |
| History of coronary stenting | 18 (100%) |
| Arterial hypertension | 13 (72.2%) |
| Diabetes mellitus | 7 (38.9%) |
| Hyperlipidemia | 15 (83.3%) |
| Chronic kidney disease (eGFR < 45 mL/min/1.73 m2) | 7 (38.9%) |
| Smoking | 6 (33.3%) |
| Tube voltage | |
| 120 kV | 8 (44.4%) |
| 140 kV | 10 (55.6%) |
| Radiation dose | |
| CTDIvol (mGy) | 70.2 [64.9–80.9] |
| DLP (mGy*cm) | 994 [878–1086] |
| Stent information | |
| Number of stents | 44 (100%) |
| Location | |
| LM | 2 (4.5%) |
| LAD | 17 (36.4%) |
| LCx | 14 (29.5%) |
| RCA | 11 (22.7%) |
| Diameter | |
| > 3 mm | 31 (70.4%) |
| ≤ 3 mm | 13 (29.6%) |
| Length | |
| > 20 mm | 23 (52.3%) |
| ≤ 20 mm | 21 (47.7%) |
Data are presented as mean ± standard deviation, number and frequencies in parentheses, and as median and interquartile range in square brackets
Abbreviations: BMI body mass index, eGFR estimated glomerular filtration rate, CTDIvol volume computed tomography dose index, DLP dose length product, LM left main artery, LAD left anterior descending artery, LCx left circumflex artery, RCA right coronary artery