Table 2.
Mean attenuation and noise
| 100 kV (n = 40) | 120 kV (n = 33) | p-value | p-value adjusted for BMI | p-value adjusted for PC | p-value adjusted for TSA | |
|---|---|---|---|---|---|---|
| Attenuation | ||||||
| Pulmonary artery | 459.8 ± 107.2 | 348.6 ± 85.3 | <0.001 | <0.001 | <0.001 | <0.001 |
| Ascending Aorta | 435.7 ± 102.4 | 353.6 ± 66.9 | <0.001 | <0.001 | <0.001 | <0.001 |
| Left ventricle | 407.9 ± 97.6 | 326.2 ± 68.9 | <0.001 | <0.001 | <0.001 | <0.001 |
| Right ventricle | 405.5 ± 135.3 | 335.3 ± 118.9 | 0.024 | 0.040 | 0.029 | 0.021 |
| Left coronary artery | 369.5 ± 117.1 | 299.4 ± 101.3 | 0.009 | 0.015 | 0.011 | 0.009 |
| Epicardial fat | 99.8 ± 25.5 | 93.9 ± 25.6 | 0.335 | 0.404 | 0.367 | 0.336 |
| Noise | ||||||
| Pulmonary artery | 30.3 ± 10.9 | 22.3 ± 8.5 | 0.001 | <0.001 | <0.001 | 0.001 |
| Ascending Aorta | 27.4 ± 9.2 | 22.3 ± 9.1 | 0.057 | 0.061 | 0.049 | 0.060 |
| Left ventricle | 36.6 ± 15.7 | 31.9 ± 22.9 | 0.302 | 0.188 | 0.212 | 0.269 |
| Right ventricle | 46.3 ± 21.7 | 40.8 ± 24.7 | 0.315 | 0.231 | 0.258 | 0.303 |
| Left main coronary artery | 67.9 ± 28.5 | 48.3 ± 21.9 | 0.002 | 0.001 | 0.002 | 0.002 |
| Epicardial fat | 33.9 ± 14.3 | 32.0 ± 20.0 | 0.649 | 0.657 | 0.594 | 0.645 |
| CNR aorta | 12.6 ± 4.7 | 13.8 ± 8.9 | 0.463 | 0.419 | 0.391 | 0.453 |
| SNR aorta | 16.9 ± 6.9 | 17.7 ± 6.9 | 0.623 | 0.460 | 0.529 | 0.666 |