Table 1.
Patient baseline characteristics
| I-370 (n = 33) |
I-320 (n = 32) |
p-value | |
|---|---|---|---|
| Demographics | |||
| Age, years | 64 ± 8 | 62 ± 11 | 0.58 |
| Male, n (%) | 30 (91) | 26 (81) | 0.44 |
| BMI, kg/m2 | 28 ± 3 | 27 ± 4 | 0.54 |
| Cardiovascular risk factors | |||
| Hypertension, n (%) | 18 (55) | 20 (63) | 0.69 |
| Dyslipidemia, n (%) | 11 (33) | 15 (47) | 0.39 |
| Diabetes, n (%) | 9 (27) | 7 (22) | 0.83 |
| Smoking, n (%) | 6 (18) | 3 (9) | 0.47 |
| FHx-CAD, n (%) | 20 (61) | 13 (41) | 0.17 |
| Acquisition parameters | |||
| HR, bpm | 55 ± 5 | 57 ± 6 | 0.24 |
| HR <65 bpm | 33 (100) | 31 (97) | 0.98 |
| PHB, n (%) | 2 (6) | 0 (0) | 0.49 |
| Tube voltage, kV | 120 | 120 | - |
| Tube current, mA | 404 ± 173 | 341 ± 67 | 0.33 |
| VAS for heat sensation | 5.7 ± 1.7 | 4.9 ± 2.1 | 0.11 |
| Dose-length product, mGy | 413.2 ± 133.8 | 409.9 ± 108.9 | 0.91 |
BMI, body mass index; FHX-CAD, family history of early coronary artery disease;HR, heart rate; PHB, premature heartbeats; VAS, visual analog scale; bpm, beats per minute.
Values are given as mean ± SD or absolute numbers and percentages.